193612ac67
Missing reference to `AST_SymbolRef` created by `unused` causes `collapse_vars` to misbehave. fixes #2846
1722 lines
32 KiB
JavaScript
1722 lines
32 KiB
JavaScript
unused_funarg_1: {
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options = { unused: true, keep_fargs: false };
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input: {
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function f(a, b, c, d, e) {
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return a + b;
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}
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}
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expect: {
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function f(a, b) {
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return a + b;
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}
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}
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}
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unused_funarg_2: {
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options = { unused: true, keep_fargs: false };
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input: {
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function f(a, b, c, d, e) {
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return a + c;
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}
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}
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expect: {
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function f(a, b, c) {
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return a + c;
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}
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}
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}
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unused_nested_function: {
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options = { unused: true };
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input: {
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function f(x, y) {
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function g() {
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something();
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}
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return x + y;
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}
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};
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expect: {
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function f(x, y) {
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return x + y;
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}
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}
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}
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unused_circular_references_1: {
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options = { unused: true };
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input: {
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function f(x, y) {
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// circular reference
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function g() {
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return h();
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}
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function h() {
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return g();
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}
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return x + y;
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}
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};
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expect: {
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function f(x, y) {
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return x + y;
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}
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}
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}
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unused_circular_references_2: {
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options = { unused: true };
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input: {
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function f(x, y) {
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var foo = 1, bar = baz, baz = foo + bar, qwe = moo();
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return x + y;
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}
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};
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expect: {
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function f(x, y) {
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moo(); // keeps side effect
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return x + y;
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}
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}
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}
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unused_circular_references_3: {
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options = { unused: true };
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input: {
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function f(x, y) {
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var g = function() { return h() };
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var h = function() { return g() };
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return x + y;
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}
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};
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expect: {
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function f(x, y) {
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return x + y;
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}
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}
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}
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unused_keep_setter_arg: {
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options = { unused: true };
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input: {
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var x = {
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_foo: null,
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set foo(val) {
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},
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get foo() {
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return this._foo;
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}
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}
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}
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expect: {
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var x = {
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_foo: null,
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set foo(val) {
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},
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get foo() {
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return this._foo;
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}
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}
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}
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}
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unused_var_in_catch: {
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options = { unused: true };
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input: {
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function foo() {
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try {
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foo();
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} catch(ex) {
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var x = 10;
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}
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}
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}
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expect: {
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function foo() {
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try {
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foo();
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} catch(ex) {}
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}
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}
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}
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used_var_in_catch: {
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options = { unused: true };
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input: {
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function foo() {
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try {
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foo();
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} catch(ex) {
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var x = 10;
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}
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return x;
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}
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}
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expect: {
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function foo() {
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try {
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foo();
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} catch(ex) {
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var x = 10;
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}
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return x;
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}
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}
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}
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keep_fnames: {
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options = { unused: true, keep_fnames: true, unsafe: true };
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input: {
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function foo() {
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return function bar(baz) {};
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}
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}
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expect: {
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function foo() {
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return function bar(baz) {};
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}
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}
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}
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drop_assign: {
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options = {
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unused: true,
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}
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input: {
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function f1() {
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var a;
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a = 1;
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}
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function f2() {
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var a = 1;
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a = 2;
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}
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function f3(a) {
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a = 1;
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}
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function f4() {
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var a;
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return a = 1;
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}
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function f5() {
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var a;
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return function() {
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a = 1;
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};
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}
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}
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expect: {
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function f1() {
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1;
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}
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function f2() {
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2;
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}
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function f3(a) {
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1;
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}
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function f4() {
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return 1;
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}
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function f5() {
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return function() {
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1;
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};
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}
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}
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}
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keep_assign: {
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options = {
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unused: "keep_assign",
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}
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input: {
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function f1() {
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var a;
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a = 1;
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}
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function f2() {
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var a = 1;
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a = 2;
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}
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function f3(a) {
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a = 1;
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}
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function f4() {
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var a;
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return a = 1;
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}
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function f5() {
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var a;
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return function() {
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a = 1;
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};
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}
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}
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expect: {
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function f1() {
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var a;
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a = 1;
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}
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function f2() {
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var a = 1;
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a = 2;
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}
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function f3(a) {
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a = 1;
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}
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function f4() {
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var a;
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return a = 1;
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}
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function f5() {
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var a;
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return function() {
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a = 1;
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};
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}
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}
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}
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drop_toplevel_funcs: {
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options = {
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toplevel: "funcs",
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unused: true,
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}
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input: {
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var a, b = 1, c = g;
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function f(d) {
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return function() {
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c = 2;
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};
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}
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a = 2;
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function g() {}
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function h() {}
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console.log(b = 3);
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}
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expect: {
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var a, b = 1, c = g;
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a = 2;
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function g() {}
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console.log(b = 3);
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}
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}
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drop_toplevel_vars: {
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options = {
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toplevel: "vars",
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unused: true,
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}
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input: {
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var a, b = 1, c = g;
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function f(d) {
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return function() {
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c = 2;
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};
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}
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a = 2;
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function g() {}
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function h() {}
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console.log(b = 3);
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}
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expect: {
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function f(d) {
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return function() {
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2;
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};
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}
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2;
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function g() {}
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function h() {}
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console.log(3);
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}
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}
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drop_toplevel_vars_fargs: {
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options = {
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keep_fargs: false,
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toplevel: "vars",
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unused: true,
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}
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input: {
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var a, b = 1, c = g;
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function f(d) {
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return function() {
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c = 2;
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};
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}
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a = 2;
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function g() {}
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function h() {}
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console.log(b = 3);
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}
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expect: {
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function f() {
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return function() {
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2;
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};
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}
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2;
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function g() {}
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function h() {}
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console.log(3);
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}
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}
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drop_toplevel_all: {
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options = {
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toplevel: true,
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unused: true
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}
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input: {
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var a, b = 1, c = g;
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function f(d) {
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return function() {
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c = 2;
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};
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}
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a = 2;
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function g() {}
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function h() {}
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console.log(b = 3);
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}
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expect: {
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2;
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console.log(3);
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}
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}
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drop_toplevel_retain: {
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options = {
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top_retain: "f,a,o",
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unused: true,
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}
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input: {
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var a, b = 1, c = g;
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function f(d) {
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return function() {
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c = 2;
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};
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}
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a = 2;
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function g() {}
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function h() {}
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console.log(b = 3);
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}
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expect: {
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var a;
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function f(d) {
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return function() {
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2;
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};
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}
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a = 2;
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console.log(3);
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}
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}
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drop_toplevel_retain_array: {
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options = {
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top_retain: [ "f", "a", "o" ],
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unused: true,
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}
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input: {
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var a, b = 1, c = g;
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function f(d) {
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return function() {
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c = 2;
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};
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}
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a = 2;
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function g() {}
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function h() {}
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console.log(b = 3);
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}
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expect: {
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var a;
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function f(d) {
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return function() {
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2;
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};
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}
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a = 2;
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console.log(3);
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}
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}
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drop_toplevel_retain_regex: {
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options = {
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top_retain: /^[fao]$/,
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unused: true,
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}
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input: {
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var a, b = 1, c = g;
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function f(d) {
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return function() {
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c = 2;
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};
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}
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a = 2;
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function g() {}
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function h() {}
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console.log(b = 3);
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}
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expect: {
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var a;
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function f(d) {
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return function() {
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2;
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};
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}
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a = 2;
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console.log(3);
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}
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}
|
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drop_toplevel_all_retain: {
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options = {
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toplevel: true,
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top_retain: "f,a,o",
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unused: true,
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}
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input: {
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var a, b = 1, c = g;
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function f(d) {
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return function() {
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c = 2;
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};
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}
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a = 2;
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function g() {}
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function h() {}
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console.log(b = 3);
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}
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expect: {
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var a;
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function f(d) {
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return function() {
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2;
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};
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}
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a = 2;
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console.log(3);
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}
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}
|
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drop_toplevel_funcs_retain: {
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options = {
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toplevel: "funcs",
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top_retain: "f,a,o",
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unused: true,
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}
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input: {
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var a, b = 1, c = g;
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function f(d) {
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return function() {
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c = 2;
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};
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}
|
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a = 2;
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function g() {}
|
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function h() {}
|
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console.log(b = 3);
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}
|
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expect: {
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var a, b = 1, c = g;
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function f(d) {
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return function() {
|
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c = 2;
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};
|
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}
|
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a = 2;
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function g() {}
|
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console.log(b = 3);
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}
|
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}
|
|
|
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drop_toplevel_vars_retain: {
|
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options = {
|
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toplevel: "vars",
|
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top_retain: "f,a,o",
|
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unused: true,
|
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}
|
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input: {
|
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var a, b = 1, c = g;
|
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function f(d) {
|
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return function() {
|
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c = 2;
|
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};
|
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}
|
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a = 2;
|
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function g() {}
|
|
function h() {}
|
|
console.log(b = 3);
|
|
}
|
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expect: {
|
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var a;
|
|
function f(d) {
|
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return function() {
|
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2;
|
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};
|
|
}
|
|
a = 2;
|
|
function g() {}
|
|
function h() {}
|
|
console.log(3);
|
|
}
|
|
}
|
|
|
|
drop_toplevel_keep_assign: {
|
|
options = {
|
|
toplevel: true,
|
|
unused: "keep_assign",
|
|
}
|
|
input: {
|
|
var a, b = 1, c = g;
|
|
function f(d) {
|
|
return function() {
|
|
c = 2;
|
|
};
|
|
}
|
|
a = 2;
|
|
function g() {}
|
|
function h() {}
|
|
console.log(b = 3);
|
|
}
|
|
expect: {
|
|
var a, b = 1;
|
|
a = 2;
|
|
console.log(b = 3);
|
|
}
|
|
}
|
|
|
|
drop_fargs: {
|
|
options = {
|
|
keep_fargs: false,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f(a) {
|
|
var b = a;
|
|
}
|
|
}
|
|
expect: {
|
|
function f() {}
|
|
}
|
|
}
|
|
|
|
drop_fnames: {
|
|
options = {
|
|
keep_fnames: false,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
return function g() {
|
|
var a = g;
|
|
};
|
|
}
|
|
}
|
|
expect: {
|
|
function f() {
|
|
return function() {};
|
|
}
|
|
}
|
|
}
|
|
|
|
global_var: {
|
|
options = {
|
|
side_effects: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a;
|
|
function foo(b) {
|
|
a;
|
|
b;
|
|
c;
|
|
typeof c === "undefined";
|
|
c + b + a;
|
|
b && b.ar();
|
|
return b;
|
|
}
|
|
}
|
|
expect: {
|
|
var a;
|
|
function foo(b) {
|
|
c;
|
|
c;
|
|
b && b.ar();
|
|
return b;
|
|
}
|
|
}
|
|
}
|
|
|
|
iife: {
|
|
options = {
|
|
side_effects: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
var a;
|
|
~function() {}(b);
|
|
}
|
|
}
|
|
expect: {
|
|
function f() {
|
|
b;
|
|
}
|
|
}
|
|
}
|
|
|
|
drop_value: {
|
|
options = {
|
|
side_effects: true,
|
|
}
|
|
input: {
|
|
(1, [2, foo()], 3, {a:1, b:bar()});
|
|
}
|
|
expect: {
|
|
foo(), bar();
|
|
}
|
|
}
|
|
|
|
issue_1539: {
|
|
options = {
|
|
collapse_vars: true,
|
|
sequences: true,
|
|
side_effects: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
var a, b;
|
|
a = b = 42;
|
|
return a;
|
|
}
|
|
}
|
|
expect: {
|
|
function f() {
|
|
return 42;
|
|
}
|
|
}
|
|
}
|
|
|
|
vardef_value: {
|
|
options = {
|
|
keep_fnames: false,
|
|
reduce_funcs: true,
|
|
reduce_vars: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
function g(){
|
|
return x();
|
|
}
|
|
var a = g();
|
|
return a(42);
|
|
}
|
|
}
|
|
expect: {
|
|
function f() {
|
|
var a = function(){
|
|
return x();
|
|
}();
|
|
return a(42);
|
|
}
|
|
}
|
|
}
|
|
|
|
assign_binding: {
|
|
options = {
|
|
collapse_vars: true,
|
|
side_effects: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
var a;
|
|
a = f.g, a();
|
|
}
|
|
}
|
|
expect: {
|
|
function f() {
|
|
(0, f.g)();
|
|
}
|
|
}
|
|
}
|
|
|
|
assign_chain: {
|
|
options = {
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
var a, b;
|
|
x = a = y = b = 42;
|
|
}
|
|
}
|
|
expect: {
|
|
function f() {
|
|
x = y = 42;
|
|
}
|
|
}
|
|
}
|
|
|
|
issue_1583: {
|
|
options = {
|
|
keep_fargs: true,
|
|
reduce_funcs: true,
|
|
reduce_vars: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function m(t) {
|
|
(function(e) {
|
|
t = e();
|
|
})(function() {
|
|
return (function(a) {
|
|
return a;
|
|
})(function(a) {});
|
|
});
|
|
}
|
|
}
|
|
expect: {
|
|
function m(t) {
|
|
(function(e) {
|
|
(function() {
|
|
return (function(a) {
|
|
return function(a) {};
|
|
})();
|
|
})();
|
|
})();
|
|
}
|
|
}
|
|
}
|
|
|
|
issue_1656: {
|
|
options = {
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
beautify = {
|
|
beautify: true,
|
|
}
|
|
input: {
|
|
for(var a=0;;);
|
|
}
|
|
expect_exact: "for (;;) ;"
|
|
}
|
|
|
|
issue_1709: {
|
|
options = {
|
|
unused: true,
|
|
}
|
|
input: {
|
|
console.log(
|
|
function x() {
|
|
var x = 1;
|
|
return x;
|
|
}(),
|
|
function z() {
|
|
function z() {}
|
|
return z;
|
|
}()
|
|
);
|
|
}
|
|
expect: {
|
|
console.log(
|
|
function() {
|
|
var x = 1;
|
|
return x;
|
|
}(),
|
|
function() {
|
|
function z() {}
|
|
return z;
|
|
}()
|
|
);
|
|
}
|
|
expect_stdout: true
|
|
}
|
|
|
|
issue_1715_1: {
|
|
options = {
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a = 1;
|
|
function f() {
|
|
a++;
|
|
try {
|
|
x();
|
|
} catch (a) {
|
|
var a;
|
|
}
|
|
}
|
|
f();
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = 1;
|
|
function f() {
|
|
a++;
|
|
try {
|
|
x();
|
|
} catch (a) {
|
|
var a;
|
|
}
|
|
}
|
|
f();
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "1"
|
|
}
|
|
|
|
issue_1715_2: {
|
|
options = {
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a = 1;
|
|
function f() {
|
|
a++;
|
|
try {
|
|
x();
|
|
} catch (a) {
|
|
var a = 2;
|
|
}
|
|
}
|
|
f();
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = 1;
|
|
function f() {
|
|
a++;
|
|
try {
|
|
x();
|
|
} catch (a) {
|
|
var a;
|
|
}
|
|
}
|
|
f();
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "1"
|
|
}
|
|
|
|
issue_1715_3: {
|
|
options = {
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a = 1;
|
|
function f() {
|
|
a++;
|
|
try {
|
|
console;
|
|
} catch (a) {
|
|
var a = 2 + x();
|
|
}
|
|
}
|
|
f();
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = 1;
|
|
function f() {
|
|
a++;
|
|
try {
|
|
console;
|
|
} catch (a) {
|
|
var a;
|
|
x();
|
|
}
|
|
}
|
|
f();
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "1"
|
|
}
|
|
|
|
issue_1715_4: {
|
|
options = {
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a = 1;
|
|
!function a() {
|
|
a++;
|
|
try {
|
|
x();
|
|
} catch (a) {
|
|
var a;
|
|
}
|
|
}();
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = 1;
|
|
!function() {
|
|
a++;
|
|
try {
|
|
x();
|
|
} catch (a) {
|
|
var a;
|
|
}
|
|
}();
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "1"
|
|
}
|
|
|
|
delete_assign_1: {
|
|
options = {
|
|
booleans: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a;
|
|
console.log(delete (a = undefined));
|
|
console.log(delete (a = void 0));
|
|
console.log(delete (a = Infinity));
|
|
console.log(delete (a = 1 / 0));
|
|
console.log(delete (a = NaN));
|
|
console.log(delete (a = 0 / 0));
|
|
}
|
|
expect: {
|
|
console.log((void 0, !0));
|
|
console.log((void 0, !0));
|
|
console.log((1 / 0, !0));
|
|
console.log((1 / 0, !0));
|
|
console.log((NaN, !0));
|
|
console.log((0 / 0, !0));
|
|
}
|
|
expect_stdout: true
|
|
}
|
|
|
|
delete_assign_2: {
|
|
options = {
|
|
booleans: true,
|
|
keep_infinity: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a;
|
|
console.log(delete (a = undefined));
|
|
console.log(delete (a = void 0));
|
|
console.log(delete (a = Infinity));
|
|
console.log(delete (a = 1 / 0));
|
|
console.log(delete (a = NaN));
|
|
console.log(delete (a = 0 / 0));
|
|
}
|
|
expect: {
|
|
console.log((void 0, !0));
|
|
console.log((void 0, !0));
|
|
console.log((Infinity, !0));
|
|
console.log((1 / 0, !0));
|
|
console.log((NaN, !0));
|
|
console.log((0 / 0, !0));
|
|
}
|
|
expect_stdout: true
|
|
}
|
|
|
|
drop_var: {
|
|
options = {
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a;
|
|
console.log(a, b);
|
|
var a = 1, b = 2;
|
|
console.log(a, b);
|
|
var a = 3;
|
|
console.log(a, b);
|
|
}
|
|
expect: {
|
|
console.log(a, b);
|
|
var a = 1, b = 2;
|
|
console.log(a, b);
|
|
a = 3;
|
|
console.log(a, b);
|
|
}
|
|
expect_stdout: [
|
|
"undefined undefined",
|
|
"1 2",
|
|
"3 2",
|
|
]
|
|
}
|
|
|
|
issue_1830_1: {
|
|
options = {
|
|
unused: true,
|
|
}
|
|
input: {
|
|
!function() {
|
|
L: for (var b = console.log(1); !1;) continue L;
|
|
}();
|
|
}
|
|
expect: {
|
|
!function() {
|
|
L: for (console.log(1); !1;) continue L;
|
|
}();
|
|
}
|
|
expect_stdout: "1"
|
|
}
|
|
|
|
issue_1830_2: {
|
|
options = {
|
|
unused: true,
|
|
}
|
|
input: {
|
|
!function() {
|
|
L: for (var a = 1, b = console.log(a); --a;) continue L;
|
|
}();
|
|
}
|
|
expect: {
|
|
!function() {
|
|
var a = 1;
|
|
L: for (console.log(a); --a;) continue L;
|
|
}();
|
|
}
|
|
expect_stdout: "1"
|
|
}
|
|
|
|
issue_1838: {
|
|
options = {
|
|
join_vars: true,
|
|
loops: true,
|
|
unused: true,
|
|
}
|
|
beautify = {
|
|
beautify: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
var b = a;
|
|
while (c);
|
|
}
|
|
}
|
|
expect_exact: [
|
|
"function f() {",
|
|
" for (a; c; ) ;",
|
|
"}",
|
|
]
|
|
}
|
|
|
|
var_catch_toplevel: {
|
|
options = {
|
|
conditionals: true,
|
|
negate_iife: true,
|
|
reduce_funcs: true,
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
a--;
|
|
try {
|
|
a++;
|
|
x();
|
|
} catch(a) {
|
|
if (a) var a;
|
|
var a = 10;
|
|
}
|
|
}
|
|
f();
|
|
}
|
|
expect: {
|
|
!function() {
|
|
try {
|
|
x();
|
|
} catch(a) {
|
|
var a;
|
|
}
|
|
}();
|
|
}
|
|
}
|
|
|
|
issue_2105_1: {
|
|
options = {
|
|
collapse_vars: true,
|
|
inline: true,
|
|
passes: 3,
|
|
reduce_funcs: true,
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
!function(factory) {
|
|
factory();
|
|
}( function() {
|
|
return function(fn) {
|
|
fn()().prop();
|
|
}( function() {
|
|
function bar() {
|
|
var quux = function() {
|
|
console.log("PASS");
|
|
}, foo = function() {
|
|
console.log;
|
|
quux();
|
|
};
|
|
return { prop: foo };
|
|
}
|
|
return bar;
|
|
} );
|
|
});
|
|
}
|
|
expect: {
|
|
({
|
|
prop: function() {
|
|
console.log;
|
|
console.log("PASS");
|
|
}
|
|
}).prop();
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_2105_2: {
|
|
options = {
|
|
collapse_vars: true,
|
|
inline: true,
|
|
passes: 3,
|
|
properties: true,
|
|
pure_getters: "strict",
|
|
reduce_funcs: true,
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
unsafe: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
!function(factory) {
|
|
factory();
|
|
}( function() {
|
|
return function(fn) {
|
|
fn()().prop();
|
|
}( function() {
|
|
function bar() {
|
|
var quux = function() {
|
|
console.log("PASS");
|
|
}, foo = function() {
|
|
console.log;
|
|
quux();
|
|
};
|
|
return { prop: foo };
|
|
}
|
|
return bar;
|
|
} );
|
|
});
|
|
}
|
|
expect: {
|
|
console.log("PASS");
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_2226_1: {
|
|
options = {
|
|
side_effects: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f1() {
|
|
var a = b;
|
|
a += c;
|
|
}
|
|
function f2(a) {
|
|
a <<= b;
|
|
}
|
|
function f3(a) {
|
|
--a;
|
|
}
|
|
function f4() {
|
|
var a = b;
|
|
return a *= c;
|
|
}
|
|
function f5(a) {
|
|
x(a /= b);
|
|
}
|
|
}
|
|
expect: {
|
|
function f1() {
|
|
b;
|
|
c;
|
|
}
|
|
function f2(a) {
|
|
b;
|
|
}
|
|
function f3(a) {
|
|
0;
|
|
}
|
|
function f4() {
|
|
var a = b;
|
|
return a *= c;
|
|
}
|
|
function f5(a) {
|
|
x(a /= b);
|
|
}
|
|
}
|
|
}
|
|
|
|
issue_2226_2: {
|
|
options = {
|
|
collapse_vars: true,
|
|
sequences: true,
|
|
side_effects: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
console.log(function(a, b) {
|
|
a += b;
|
|
return a;
|
|
}(1, 2));
|
|
}
|
|
expect: {
|
|
console.log(function(a, b) {
|
|
return a += 2;
|
|
}(1));
|
|
}
|
|
expect_stdout: "3"
|
|
}
|
|
|
|
issue_2226_3: {
|
|
options = {
|
|
collapse_vars: true,
|
|
side_effects: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
console.log(function(a, b) {
|
|
a += b;
|
|
return a;
|
|
}(1, 2));
|
|
}
|
|
expect: {
|
|
console.log(function(a, b) {
|
|
return a += 2;
|
|
}(1));
|
|
}
|
|
expect_stdout: "3"
|
|
}
|
|
|
|
issue_2288: {
|
|
options = {
|
|
unused: true,
|
|
}
|
|
beautify = {
|
|
beautify: true,
|
|
}
|
|
input: {
|
|
function foo(o) {
|
|
for (var j = o.a, i = 0; i < 0; i++);
|
|
for (var i = 0; i < 0; i++);
|
|
}
|
|
}
|
|
expect: {
|
|
function foo(o) {
|
|
o.a;
|
|
for (var i = 0; i < 0; i++);
|
|
for (i = 0; i < 0; i++);
|
|
}
|
|
}
|
|
}
|
|
|
|
issue_2516_1: {
|
|
options = {
|
|
collapse_vars: true,
|
|
reduce_funcs: true,
|
|
reduce_vars: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function foo() {
|
|
function qux(x) {
|
|
bar.call(null, x);
|
|
}
|
|
function bar(x) {
|
|
var FOUR = 4;
|
|
var trouble = x || never_called();
|
|
var value = (FOUR - 1) * trouble;
|
|
console.log(value == 6 ? "PASS" : value);
|
|
}
|
|
Baz = qux;
|
|
}
|
|
var Baz;
|
|
foo();
|
|
Baz(2);
|
|
}
|
|
expect: {
|
|
function foo() {
|
|
Baz = function(x) {
|
|
(function(x) {
|
|
var trouble = x || never_called();
|
|
var value = (4 - 1) * trouble;
|
|
console.log(6 == value ? "PASS" : value);
|
|
}).call(null, x);
|
|
};
|
|
}
|
|
var Baz;
|
|
foo();
|
|
Baz(2);
|
|
}
|
|
}
|
|
|
|
issue_2516_2: {
|
|
options = {
|
|
collapse_vars: true,
|
|
reduce_funcs: true,
|
|
reduce_vars: true,
|
|
passes: 2,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function foo() {
|
|
function qux(x) {
|
|
bar.call(null, x);
|
|
}
|
|
function bar(x) {
|
|
var FOUR = 4;
|
|
var trouble = x || never_called();
|
|
var value = (FOUR - 1) * trouble;
|
|
console.log(value == 6 ? "PASS" : value);
|
|
}
|
|
Baz = qux;
|
|
}
|
|
var Baz;
|
|
foo();
|
|
Baz(2);
|
|
}
|
|
expect: {
|
|
function foo() {
|
|
Baz = function(x) {
|
|
(function(x) {
|
|
var value = (4 - 1) * (x || never_called());
|
|
console.log(6 == value ? "PASS" : value);
|
|
}).call(null, x);
|
|
};
|
|
}
|
|
var Baz;
|
|
foo();
|
|
Baz(2);
|
|
}
|
|
}
|
|
|
|
defun_lambda_same_name: {
|
|
options = {
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f(n) {
|
|
return n ? n * f(n - 1) : 1;
|
|
}
|
|
console.log(function f(n) {
|
|
return n ? n * f(n - 1) : 1;
|
|
}(5));
|
|
}
|
|
expect: {
|
|
console.log(function f(n) {
|
|
return n ? n * f(n - 1) : 1;
|
|
}(5));
|
|
}
|
|
expect_stdout: "120"
|
|
}
|
|
|
|
issue_2660_1: {
|
|
options = {
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a = 2;
|
|
function f(b) {
|
|
return b && f() || a--;
|
|
}
|
|
f(1);
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = 2;
|
|
(function f(b) {
|
|
return b && f() || a--;
|
|
})(1);
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "1"
|
|
}
|
|
|
|
issue_2660_2: {
|
|
options = {
|
|
collapse_vars: true,
|
|
reduce_vars: true,
|
|
sequences: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a = 1;
|
|
function f(b) {
|
|
b && f();
|
|
--a, a.toString();
|
|
}
|
|
f();
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = 1;
|
|
(function f(b) {
|
|
b && f(),
|
|
(--a).toString();
|
|
})(),
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "0"
|
|
}
|
|
|
|
issue_2665: {
|
|
options = {
|
|
evaluate: true,
|
|
inline: true,
|
|
keep_fargs: false,
|
|
passes: 2,
|
|
reduce_funcs: true,
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
typeofs: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a = 1;
|
|
function g() {
|
|
a-- && g();
|
|
}
|
|
typeof h == "function" && h();
|
|
function h() {
|
|
typeof g == "function" && g();
|
|
}
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = 1;
|
|
!function g() {
|
|
a-- && g();
|
|
}();
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "-1"
|
|
}
|
|
|
|
double_assign_1: {
|
|
options = {
|
|
passes: 2,
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f1() {
|
|
var a = {};
|
|
var a = [];
|
|
return a;
|
|
}
|
|
function f2() {
|
|
var a = {};
|
|
a = [];
|
|
return a;
|
|
}
|
|
function f3() {
|
|
a = {};
|
|
var a = [];
|
|
return a;
|
|
}
|
|
function f4(a) {
|
|
a = {};
|
|
a = [];
|
|
return a;
|
|
}
|
|
function f5(a) {
|
|
var a = {};
|
|
a = [];
|
|
return a;
|
|
}
|
|
function f6(a) {
|
|
a = {};
|
|
var a = [];
|
|
return a;
|
|
}
|
|
console.log(f1(), f2(), f3(), f4(), f5(), f6());
|
|
}
|
|
expect: {
|
|
function f1() {
|
|
return [];
|
|
}
|
|
function f2() {
|
|
var a;
|
|
a = [];
|
|
return a;
|
|
}
|
|
function f3() {
|
|
return [];
|
|
}
|
|
function f4(a) {
|
|
a = [];
|
|
return a;
|
|
}
|
|
function f5(a) {
|
|
a = [];
|
|
return a;
|
|
}
|
|
function f6(a) {
|
|
a = [];
|
|
return a;
|
|
}
|
|
console.log(f1(), f2(), f3(), f4(), f5(), f6());
|
|
}
|
|
expect_stdout: true
|
|
}
|
|
|
|
double_assign_2: {
|
|
options = {
|
|
reduce_vars: true,
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
for (var i = 0; i < 2; i++)
|
|
a = void 0, a = {}, console.log(a);
|
|
var a;
|
|
}
|
|
expect: {
|
|
for (var i = 0; i < 2; i++)
|
|
void 0, a = {}, console.log(a);
|
|
var a;
|
|
}
|
|
}
|
|
|
|
double_assign_3: {
|
|
options = {
|
|
reduce_vars: true,
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
for (var i = 0; i < 2; i++)
|
|
a = void 0, a = { a: a }, console.log(a);
|
|
var a;
|
|
}
|
|
expect: {
|
|
for (var i = 0; i < 2; i++)
|
|
a = void 0, a = { a: a }, console.log(a);
|
|
var a;
|
|
}
|
|
}
|
|
|
|
cascade_drop_assign: {
|
|
options = {
|
|
reduce_vars: true,
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a, b = a = "PASS";
|
|
console.log(b);
|
|
}
|
|
expect: {
|
|
var b = "PASS";
|
|
console.log(b);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
chained_3: {
|
|
options = {
|
|
reduce_vars: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
console.log(function(a, b) {
|
|
var c = a, c = b;
|
|
b++;
|
|
return c;
|
|
}(1, 2));
|
|
}
|
|
expect: {
|
|
console.log(function(a, b) {
|
|
var c = b;
|
|
b++;
|
|
return c;
|
|
}(0, 2));
|
|
}
|
|
expect_stdout: "2"
|
|
}
|
|
|
|
issue_2768: {
|
|
options = {
|
|
inline: true,
|
|
reduce_vars: true,
|
|
sequences: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a = "FAIL", c = 1;
|
|
var c = function(b) {
|
|
var d = b = a;
|
|
var e = --b + (d && (a = "PASS"));
|
|
}();
|
|
console.log(a, typeof c);
|
|
}
|
|
expect: {
|
|
var a = "FAIL";
|
|
var c = (d = a, 0, void (d && (a = "PASS")));
|
|
var d;
|
|
console.log(a, typeof c);
|
|
}
|
|
expect_stdout: "PASS undefined"
|
|
}
|
|
|
|
issue_2846: {
|
|
options = {
|
|
collapse_vars: true,
|
|
reduce_vars: true,
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f(a, b) {
|
|
var a = 0;
|
|
b && b(a);
|
|
return a++;
|
|
}
|
|
var c = f();
|
|
console.log(c);
|
|
}
|
|
expect: {
|
|
var c = function(a, b) {
|
|
a = 0;
|
|
b && b(a);
|
|
return a++;
|
|
}();
|
|
console.log(c);
|
|
}
|
|
expect_stdout: "0"
|
|
}
|