1710 lines
34 KiB
JavaScript
1710 lines
34 KiB
JavaScript
dead_code_1: {
|
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options = {
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dead_code: true,
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|
}
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input: {
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function f() {
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a();
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b();
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x = 10;
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return;
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if (x) {
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y();
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}
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}
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}
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expect: {
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|
function f() {
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a();
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b();
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x = 10;
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return;
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}
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}
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}
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|
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|
dead_code_2_should_warn: {
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options = {
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dead_code: true,
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}
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input: {
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function f() {
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g();
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x = 10;
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throw new Error("foo");
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// completely discarding the `if` would introduce some
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// bugs. UglifyJS v1 doesn't deal with this issue; in v2
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// we copy any declarations to the upper scope.
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if (x) {
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y();
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var x;
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function g(){};
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// but nested declarations should not be kept.
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(function(){
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var q;
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function y(){};
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})();
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}
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}
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f();
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}
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expect: {
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function f() {
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g();
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x = 10;
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throw new Error("foo");
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{
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var x;
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function g(){};
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}
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}
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f();
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}
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expect_stdout: true
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expect_warnings: [
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"WARN: Dropping unreachable code [test/compress/dead-code.js:8,12]",
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]
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}
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|
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dead_code_constant_boolean_should_warn_more: {
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options = {
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booleans: true,
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conditionals: true,
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dead_code: true,
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evaluate: true,
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loops: true,
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side_effects: true,
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}
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input: {
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while (!((foo && bar) || (x + "0"))) {
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console.log("unreachable");
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var foo;
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function bar() {}
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}
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for (var x = 10, y; x && (y || x) && (!typeof x); ++x) {
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asdf();
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foo();
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var moo;
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}
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bar();
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}
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expect: {
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{
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var foo;
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function bar() {}
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}
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// nothing for the while
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// as for the for, it should keep:
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var x = 10, y;
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var moo;
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bar();
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}
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expect_stdout: true
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expect_warnings: [
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"WARN: + in boolean context always true [test/compress/dead-code.js:1,33]",
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"WARN: Boolean || always true [test/compress/dead-code.js:1,16]",
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"WARN: Dropping unreachable code [test/compress/dead-code.js:1,45]",
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"WARN: Boolean expression always true [test/compress/dead-code.js:6,47]",
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"WARN: Boolean && always false [test/compress/dead-code.js:6,28]",
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"WARN: Dropping unreachable code [test/compress/dead-code.js:6,63]",
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"WARN: Dropping side-effect-free statement [test/compress/dead-code.js:1,15]",
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"WARN: Dropping side-effect-free statement [test/compress/dead-code.js:6,28]",
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]
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node_version: "<=4"
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}
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|
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trim_try: {
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options = {
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dead_code: true,
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}
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|
input: {
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try {
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var a;
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} catch (e) {
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console.log("FAIL");
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} finally {
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console.log(a);
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}
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}
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expect: {
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var a;
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console.log(a);
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}
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expect_stdout: "undefined"
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}
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|
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|
trim_finally_1: {
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options = {
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dead_code: true,
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}
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input: {
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try {
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console.log("PASS");
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} finally {
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var a;
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}
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}
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expect: {
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console.log("PASS");
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var a;
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}
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expect_stdout: "PASS"
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}
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|
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|
trim_finally_2: {
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options = {
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dead_code: true,
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}
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input: {
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try {
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console.log("PASS");
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} catch (e) {
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} finally {
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var a;
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}
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}
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expect: {
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try {
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console.log("PASS");
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var a;
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} catch (e) {
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}
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|
}
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|
expect_stdout: "PASS"
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|
}
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|
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|
try_catch_finally: {
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options = {
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conditionals: true,
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|
dead_code: true,
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|
evaluate: true,
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passes: 2,
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side_effects: true,
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|
}
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|
input: {
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var a = 1;
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!function() {
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try {
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if (false) throw x;
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} catch (a) {
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var a = 2;
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console.log("FAIL");
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} finally {
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a = 3;
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console.log("PASS");
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}
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}();
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try {
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console.log(a);
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} finally {
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}
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}
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expect: {
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var a = 1;
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!function() {
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var a;
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a = 3;
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console.log("PASS");
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}();
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console.log(a);
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}
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expect_stdout: [
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"PASS",
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"1",
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]
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}
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|
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|
collapse_vars_assignment: {
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options = {
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collapse_vars: true,
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|
dead_code: true,
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passes: 2,
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unused: true,
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}
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input: {
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function f0(c) {
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var a = 3 / c;
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return a = a;
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}
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}
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expect: {
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function f0(c) {
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return 3 / c;
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}
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}
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}
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|
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|
collapse_vars_lvalues_drop_assign: {
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options = {
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collapse_vars: true,
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dead_code: true,
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unused: true,
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}
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input: {
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function f0(x) { var i = ++x; return x += i; }
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function f1(x) { var a = (x -= 3); return x += a; }
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function f2(x) { var z = x, a = ++z; return z += a; }
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}
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expect: {
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function f0(x) { var i = ++x; return x + i; }
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function f1(x) { var a = (x -= 3); return x + a; }
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function f2(x) { var z = x, a = ++z; return z + a; }
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}
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}
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|
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|
collapse_vars_misc: {
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|
options = {
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|
collapse_vars: true,
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|
dead_code: true,
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|
unused: true,
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}
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|
input: {
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function f10(x) { var a = 5, b = 3; return a += b; }
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function f11(x) { var a = 5, b = 3; return a += --b; }
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}
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expect: {
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function f10(x) { return 5 + 3; }
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function f11(x) { var b = 3; return 5 + --b; }
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}
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}
|
|
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|
return_assignment: {
|
|
options = {
|
|
dead_code: true,
|
|
unused: true,
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|
}
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input: {
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function f1(a, b, c) {
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return a = x(), b = y(), b = a && (c >>= 5);
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}
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function f2() {
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return e = x();
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}
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function f3(e) {
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return e = x();
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}
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function f4() {
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var e;
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return e = x();
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}
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function f5(a) {
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try {
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return a = x();
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} catch (b) {
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console.log(a);
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}
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}
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function f6(a) {
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try {
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return a = x();
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} finally {
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console.log(a);
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}
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}
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function y() {
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console.log("y");
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|
}
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function test(inc) {
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var counter = 0;
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x = function() {
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counter += inc;
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if (inc < 0) throw counter;
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return counter;
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};
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[ f1, f2, f3, f4, f5, f6 ].forEach(function(f, i) {
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e = null;
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try {
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i += 1;
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console.log("result " + f(10 * i, 100 * i, 1000 * i));
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} catch (x) {
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console.log("caught " + x);
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}
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if (null !== e) console.log("e: " + e);
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});
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}
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|
var x, e;
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test(1);
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test(-1);
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}
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expect: {
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|
function f1(a, b, c) {
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return a = x(), y(), a && (c >> 5);
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}
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|
function f2() {
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|
return e = x();
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|
}
|
|
function f3(e) {
|
|
return x();
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|
}
|
|
function f4() {
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|
return x();
|
|
}
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|
function f5(a) {
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try {
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return x();
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|
} catch (b) {
|
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console.log(a);
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}
|
|
}
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function f6(a) {
|
|
try {
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return a = x();
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} finally {
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console.log(a);
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}
|
|
}
|
|
function y() {
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|
console.log("y");
|
|
}
|
|
function test(inc) {
|
|
var counter = 0;
|
|
x = function() {
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counter += inc;
|
|
if (inc < 0) throw counter;
|
|
return counter;
|
|
};
|
|
[ f1, f2, f3, f4, f5, f6 ].forEach(function(f, i) {
|
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e = null;
|
|
try {
|
|
i += 1;
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console.log("result " + f(10 * i, 100 * i, 1000 * i));
|
|
} catch (x) {
|
|
console.log("caught " + x);
|
|
}
|
|
if (null !== e) console.log("e: " + e);
|
|
});
|
|
}
|
|
var x, e;
|
|
test(1);
|
|
test(-1);
|
|
}
|
|
expect_stdout: [
|
|
"y",
|
|
"result 31",
|
|
"result 2",
|
|
"e: 2",
|
|
"result 3",
|
|
"result 4",
|
|
"result 5",
|
|
"6",
|
|
"result 6",
|
|
"caught -1",
|
|
"caught -2",
|
|
"caught -3",
|
|
"caught -4",
|
|
"50",
|
|
"result undefined",
|
|
"60",
|
|
"caught -6",
|
|
]
|
|
}
|
|
|
|
throw_assignment: {
|
|
options = {
|
|
dead_code: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
function f1() {
|
|
throw a = x();
|
|
}
|
|
function f2(a) {
|
|
throw a = x();
|
|
}
|
|
function f3() {
|
|
var a;
|
|
throw a = x();
|
|
}
|
|
function f4() {
|
|
try {
|
|
throw a = x();
|
|
} catch (b) {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function f5(a) {
|
|
try {
|
|
throw a = x();
|
|
} catch (b) {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function f6() {
|
|
var a;
|
|
try {
|
|
throw a = x();
|
|
} catch (b) {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function f7() {
|
|
try {
|
|
throw a = x();
|
|
} finally {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function f8(a) {
|
|
try {
|
|
throw a = x();
|
|
} finally {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function f9() {
|
|
var a;
|
|
try {
|
|
throw a = x();
|
|
} finally {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function test(inc) {
|
|
var counter = 0;
|
|
x = function() {
|
|
counter += inc;
|
|
if (inc < 0) throw counter;
|
|
return counter;
|
|
};
|
|
[ f1, f2, f3, f4, f5, f6, f7, f8, f9 ].forEach(function(f, i) {
|
|
a = null;
|
|
try {
|
|
f(10 * (1 + i));
|
|
} catch (x) {
|
|
console.log("caught " + x);
|
|
}
|
|
if (null !== a) console.log("a: " + a);
|
|
});
|
|
}
|
|
var x, a;
|
|
test(1);
|
|
test(-1);
|
|
}
|
|
expect: {
|
|
function f1() {
|
|
throw a = x();
|
|
}
|
|
function f2(a) {
|
|
throw x();
|
|
}
|
|
function f3() {
|
|
throw x();
|
|
}
|
|
function f4() {
|
|
try {
|
|
throw a = x();
|
|
} catch (b) {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function f5(a) {
|
|
try {
|
|
throw a = x();
|
|
} catch (b) {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function f6() {
|
|
var a;
|
|
try {
|
|
throw a = x();
|
|
} catch (b) {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function f7() {
|
|
try {
|
|
throw a = x();
|
|
} finally {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function f8(a) {
|
|
try {
|
|
throw a = x();
|
|
} finally {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function f9() {
|
|
var a;
|
|
try {
|
|
throw a = x();
|
|
} finally {
|
|
console.log(a);
|
|
}
|
|
}
|
|
function test(inc) {
|
|
var counter = 0;
|
|
x = function() {
|
|
counter += inc;
|
|
if (inc < 0) throw counter;
|
|
return counter;
|
|
};
|
|
[ f1, f2, f3, f4, f5, f6, f7, f8, f9 ].forEach(function(f, i) {
|
|
a = null;
|
|
try {
|
|
f(10 * (1 + i));
|
|
} catch (x) {
|
|
console.log("caught " + x);
|
|
}
|
|
if (null !== a) console.log("a: " + a);
|
|
});
|
|
}
|
|
var x, a;
|
|
test(1);
|
|
test(-1);
|
|
}
|
|
expect_stdout: [
|
|
"caught 1",
|
|
"a: 1",
|
|
"caught 2",
|
|
"caught 3",
|
|
"4",
|
|
"a: 4",
|
|
"5",
|
|
"6",
|
|
"7",
|
|
"caught 7",
|
|
"a: 7",
|
|
"8",
|
|
"caught 8",
|
|
"9",
|
|
"caught 9",
|
|
"caught -1",
|
|
"caught -2",
|
|
"caught -3",
|
|
"null",
|
|
"50",
|
|
"undefined",
|
|
"null",
|
|
"caught -7",
|
|
"80",
|
|
"caught -8",
|
|
"undefined",
|
|
"caught -9",
|
|
]
|
|
}
|
|
|
|
issue_2597: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f(b) {
|
|
try {
|
|
try {
|
|
throw "foo";
|
|
} catch (e) {
|
|
return b = true;
|
|
}
|
|
} finally {
|
|
b && (a = "PASS");
|
|
}
|
|
}
|
|
var a = "FAIL";
|
|
f();
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
function f(b) {
|
|
try {
|
|
try {
|
|
throw "foo";
|
|
} catch (e) {
|
|
return b = true;
|
|
}
|
|
} finally {
|
|
b && (a = "PASS");
|
|
}
|
|
}
|
|
var a = "FAIL";
|
|
f();
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_2666: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f(a) {
|
|
return a = {
|
|
p: function() {
|
|
return a;
|
|
}
|
|
};
|
|
}
|
|
console.log(typeof f().p());
|
|
}
|
|
expect: {
|
|
function f(a) {
|
|
return a = {
|
|
p: function() {
|
|
return a;
|
|
}
|
|
};
|
|
}
|
|
console.log(typeof f().p());
|
|
}
|
|
expect_stdout: "object"
|
|
}
|
|
|
|
issue_2692: {
|
|
options = {
|
|
dead_code: true,
|
|
reduce_vars: false,
|
|
}
|
|
input: {
|
|
function f(a) {
|
|
return a = g;
|
|
function g() {
|
|
return a;
|
|
}
|
|
}
|
|
console.log(typeof f()());
|
|
}
|
|
expect: {
|
|
function f(a) {
|
|
return a = g;
|
|
function g() {
|
|
return a;
|
|
}
|
|
}
|
|
console.log(typeof f()());
|
|
}
|
|
expect_stdout: "function"
|
|
}
|
|
|
|
issue_2701: {
|
|
options = {
|
|
dead_code: true,
|
|
inline: false,
|
|
}
|
|
input: {
|
|
function f(a) {
|
|
return a = function() {
|
|
return function() {
|
|
return a;
|
|
};
|
|
}();
|
|
}
|
|
console.log(typeof f()());
|
|
}
|
|
expect: {
|
|
function f(a) {
|
|
return a = function() {
|
|
return function() {
|
|
return a;
|
|
};
|
|
}();
|
|
}
|
|
console.log(typeof f()());
|
|
}
|
|
expect_stdout: "function"
|
|
}
|
|
|
|
issue_2749: {
|
|
options = {
|
|
dead_code: true,
|
|
inline: true,
|
|
toplevel: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var a = 2, c = "PASS";
|
|
while (a--)
|
|
(function() {
|
|
return b ? c = "FAIL" : b = 1;
|
|
try {
|
|
} catch (b) {
|
|
var b;
|
|
}
|
|
})();
|
|
console.log(c);
|
|
}
|
|
expect: {
|
|
var a = 2, c = "PASS";
|
|
while (a--)
|
|
b = void 0, b ? c = "FAIL" : 1;
|
|
var b;
|
|
console.log(c);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_2860_1: {
|
|
options = {
|
|
dead_code: true,
|
|
evaluate: true,
|
|
reduce_vars: true,
|
|
}
|
|
input: {
|
|
console.log(function(a) {
|
|
return a ^= 1;
|
|
}());
|
|
}
|
|
expect: {
|
|
console.log(1);
|
|
}
|
|
expect_stdout: "1"
|
|
}
|
|
|
|
issue_2860_2: {
|
|
options = {
|
|
dead_code: true,
|
|
evaluate: true,
|
|
inline: true,
|
|
passes: 2,
|
|
reduce_vars: true,
|
|
}
|
|
input: {
|
|
console.log(function(a) {
|
|
return a ^= 1;
|
|
}());
|
|
}
|
|
expect: {
|
|
console.log(1);
|
|
}
|
|
expect_stdout: "1"
|
|
}
|
|
|
|
issue_2929: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
console.log(function(a) {
|
|
try {
|
|
return null.p = a = 1;
|
|
} catch (e) {
|
|
return a ? "PASS" : "FAIL";
|
|
}
|
|
}());
|
|
}
|
|
expect: {
|
|
console.log(function(a) {
|
|
try {
|
|
return null.p = a = 1;
|
|
} catch (e) {
|
|
return a ? "PASS" : "FAIL";
|
|
}
|
|
}());
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_3402: {
|
|
options = {
|
|
dead_code: true,
|
|
evaluate: true,
|
|
functions: true,
|
|
passes: 2,
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
typeofs: true,
|
|
unused: true,
|
|
}
|
|
input: {
|
|
var f = function f() {
|
|
f = 42;
|
|
console.log(typeof f);
|
|
};
|
|
"function" == typeof f && f();
|
|
"function" == typeof f && f();
|
|
console.log(typeof f);
|
|
}
|
|
expect: {
|
|
function f() {
|
|
console.log(typeof f);
|
|
}
|
|
f();
|
|
f();
|
|
console.log(typeof f);
|
|
}
|
|
expect_stdout: [
|
|
"function",
|
|
"function",
|
|
"function",
|
|
]
|
|
}
|
|
|
|
issue_3406: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
console.log(function f(a) {
|
|
return delete (f = a);
|
|
}());
|
|
}
|
|
expect: {
|
|
console.log(function f(a) {
|
|
return delete (0, a);
|
|
}());
|
|
}
|
|
expect_stdout: "true"
|
|
}
|
|
|
|
function_assign: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
console.log(function() {
|
|
var a = "PASS";
|
|
function h(c) {
|
|
return c;
|
|
}
|
|
h.p = function(b) {
|
|
return b;
|
|
}.p = a;
|
|
return h;
|
|
}().p);
|
|
}
|
|
expect: {
|
|
console.log(function() {
|
|
var a = "PASS";
|
|
function h(c) {
|
|
return c;
|
|
}
|
|
h.p = a;
|
|
return h;
|
|
}().p);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_3552: {
|
|
options = {
|
|
dead_code: true,
|
|
pure_getters: "strict",
|
|
}
|
|
input: {
|
|
var a = "PASS";
|
|
(function() {
|
|
(1..p += 42) && (a = "FAIL");
|
|
})();
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = "PASS";
|
|
(function() {
|
|
(1..p += 42) && (a = "FAIL");
|
|
})();
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
unreachable_assign: {
|
|
options = {
|
|
dead_code: true,
|
|
strings: true,
|
|
}
|
|
input: {
|
|
console.log(A = "P" + (A = "A" + (B = "S" + (A = B = "S"))), A, B);
|
|
}
|
|
expect: {
|
|
console.log(A = "P" + "A" + (B = "S" + "S"), A, B);
|
|
}
|
|
expect_stdout: "PASS PASS SS"
|
|
}
|
|
|
|
catch_return_assign: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
console.log(function() {
|
|
try {
|
|
throw "FAIL";
|
|
} catch (e) {
|
|
return e = "PASS";
|
|
}
|
|
}());
|
|
}
|
|
expect: {
|
|
console.log(function() {
|
|
try {
|
|
throw "FAIL";
|
|
} catch (e) {
|
|
return "PASS";
|
|
}
|
|
}());
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
catch_return_assign_may_throw: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
try {
|
|
throw "FAIL";
|
|
} catch (e) {
|
|
return e = console.log("PASS");
|
|
}
|
|
}
|
|
f();
|
|
}
|
|
expect: {
|
|
function f() {
|
|
try {
|
|
throw "FAIL";
|
|
} catch (e) {
|
|
return console.log("PASS");
|
|
}
|
|
}
|
|
f();
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
finally_return_assign: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
console.log(function(a) {
|
|
try {
|
|
throw "FAIL";
|
|
} finally {
|
|
return a = "PASS";
|
|
}
|
|
}());
|
|
}
|
|
expect: {
|
|
console.log(function(a) {
|
|
try {
|
|
throw "FAIL";
|
|
} finally {
|
|
return "PASS";
|
|
}
|
|
}());
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
last_assign_statement: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f(a) {
|
|
a = a("PASS");
|
|
}
|
|
f(console.log);
|
|
}
|
|
expect: {
|
|
function f(a) {
|
|
a("PASS");
|
|
}
|
|
f(console.log);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
last_assign_if_else: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f(a) {
|
|
if (a)
|
|
a = console.log("foo");
|
|
else {
|
|
console.log("bar");
|
|
a = console.log("baz");
|
|
}
|
|
}
|
|
f(42);
|
|
f(null);
|
|
}
|
|
expect: {
|
|
function f(a) {
|
|
if (a)
|
|
console.log("foo");
|
|
else {
|
|
console.log("bar");
|
|
console.log("baz");
|
|
}
|
|
}
|
|
f(42);
|
|
f(null);
|
|
}
|
|
expect_stdout: [
|
|
"foo",
|
|
"bar",
|
|
"baz",
|
|
]
|
|
}
|
|
|
|
last_assign_catch: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
try {
|
|
throw "FAIL";
|
|
} catch (e) {
|
|
e = console.log("PASS");
|
|
}
|
|
}
|
|
f();
|
|
}
|
|
expect: {
|
|
function f() {
|
|
try {
|
|
throw "FAIL";
|
|
} catch (e) {
|
|
console.log("PASS");
|
|
}
|
|
}
|
|
f();
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
last_assign_finally: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f(a) {
|
|
try {
|
|
throw a.log;
|
|
} catch (e) {
|
|
a = e;
|
|
} finally {
|
|
a = a("PASS");
|
|
}
|
|
}
|
|
f(console);
|
|
}
|
|
expect: {
|
|
function f(a) {
|
|
try {
|
|
throw a.log;
|
|
} catch (e) {
|
|
a = e;
|
|
} finally {
|
|
a("PASS");
|
|
}
|
|
}
|
|
f(console);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
consecutive_assignments: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
while (a = void 0, a = "PASS", console.log(a));
|
|
var a;
|
|
}
|
|
expect: {
|
|
while (void 0, a = "PASS", console.log(a));
|
|
var a;
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_3578: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
var a = "FAIL", b, c;
|
|
try {
|
|
b = c.p = b = 0;
|
|
} catch (e) {
|
|
b += 42;
|
|
b && (a = "PASS");
|
|
}
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = "FAIL", b, c;
|
|
try {
|
|
b = c.p = b = 0;
|
|
} catch (e) {
|
|
b += 42;
|
|
b && (a = "PASS");
|
|
}
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_3830_1: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
var o = {
|
|
set p(v) {
|
|
o = o.p = o = v;
|
|
}
|
|
};
|
|
o.p = "PASS";
|
|
console.log(o);
|
|
}
|
|
expect: {
|
|
var o = {
|
|
set p(v) {
|
|
o = o.p = o = v;
|
|
}
|
|
};
|
|
o.p = "PASS";
|
|
console.log(o);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_3830_2: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
var a = "FAIL";
|
|
var o = {
|
|
set FAIL(v) {
|
|
a = o[a] = a = v;
|
|
}
|
|
};
|
|
o[a] = "PASS";
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = "FAIL";
|
|
var o = {
|
|
set FAIL(v) {
|
|
a = o[a] = a = v;
|
|
}
|
|
};
|
|
o[a] = "PASS";
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_3830_3: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
return a;
|
|
}
|
|
var a = "FAIL";
|
|
var o = {
|
|
set FAIL(v) {
|
|
a = o[f()] = a = v;
|
|
}
|
|
};
|
|
o[f()] = "PASS";
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
function f() {
|
|
return a;
|
|
}
|
|
var a = "FAIL";
|
|
var o = {
|
|
set FAIL(v) {
|
|
a = o[f()] = a = v;
|
|
}
|
|
};
|
|
o[f()] = "PASS";
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_3830_4: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
return o;
|
|
}
|
|
var a = "FAIL";
|
|
var o = {
|
|
set FAIL(v) {
|
|
a = f()[a] = a = v;
|
|
}
|
|
};
|
|
f()[a] = "PASS";
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
function f() {
|
|
return o;
|
|
}
|
|
var a = "FAIL";
|
|
var o = {
|
|
set FAIL(v) {
|
|
a = f()[a] = a = v;
|
|
}
|
|
};
|
|
f()[a] = "PASS";
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_3830_5: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
return o;
|
|
}
|
|
function g() {
|
|
return a;
|
|
}
|
|
var a = "FAIL";
|
|
var o = {
|
|
set FAIL(v) {
|
|
a = f()[g()] = a = v;
|
|
}
|
|
};
|
|
f()[g()] = "PASS";
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
function f() {
|
|
return o;
|
|
}
|
|
function g() {
|
|
return a;
|
|
}
|
|
var a = "FAIL";
|
|
var o = {
|
|
set FAIL(v) {
|
|
a = f()[g()] = a = v;
|
|
}
|
|
};
|
|
f()[g()] = "PASS";
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_3830_6: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
return o;
|
|
}
|
|
function g() {
|
|
return a;
|
|
}
|
|
function h(v) {
|
|
a = f()[g()] = a = v;
|
|
}
|
|
var a = "FAIL";
|
|
var o = {
|
|
set FAIL(v) {
|
|
h(v);
|
|
}
|
|
};
|
|
o.FAIL = "PASS";
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
function f() {
|
|
return o;
|
|
}
|
|
function g() {
|
|
return a;
|
|
}
|
|
function h(v) {
|
|
a = f()[g()] = a = v;
|
|
}
|
|
var a = "FAIL";
|
|
var o = {
|
|
set FAIL(v) {
|
|
h(v);
|
|
}
|
|
};
|
|
o.FAIL = "PASS";
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
redundant_assignments: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
var a = a = "PASS", b = "FAIL";
|
|
b = b = "PASS";
|
|
console.log(a, b);
|
|
}
|
|
expect: {
|
|
var a = "PASS", b = "FAIL";
|
|
b = "PASS";
|
|
console.log(a, b);
|
|
}
|
|
expect_stdout: "PASS PASS"
|
|
}
|
|
|
|
self_assignments_1: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
var a = "PASS";
|
|
a = a;
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = "PASS";
|
|
a;
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
self_assignments_2: {
|
|
options = {
|
|
dead_code: true,
|
|
pure_getters: "strict",
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
}
|
|
input: {
|
|
var a = "q", o = {
|
|
p: "PASS",
|
|
};
|
|
o.p = o.p;
|
|
o[a] = o[a];
|
|
console.log(o.p, o[a]);
|
|
}
|
|
expect: {
|
|
var a = "q", o = {
|
|
p: "PASS",
|
|
};
|
|
console.log(o.p, o[a]);
|
|
}
|
|
expect_stdout: "PASS undefined"
|
|
}
|
|
|
|
self_assignments_3: {
|
|
options = {
|
|
dead_code: true,
|
|
pure_getters: "strict",
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
}
|
|
input: {
|
|
var a = "q", o = {
|
|
p: "FAIL",
|
|
get q() {
|
|
return "PASS";
|
|
},
|
|
set q(v) {
|
|
this.p = v;
|
|
},
|
|
};
|
|
o.p = o.p;
|
|
o[a] = o[a];
|
|
console.log(o.p, o[a]);
|
|
}
|
|
expect: {
|
|
var a = "q", o = {
|
|
p: "FAIL",
|
|
get q() {
|
|
return "PASS";
|
|
},
|
|
set q(v) {
|
|
this.p = v;
|
|
},
|
|
};
|
|
o.p = o.p;
|
|
o[a] = o[a];
|
|
console.log(o.p, o[a]);
|
|
}
|
|
expect_stdout: "PASS PASS"
|
|
}
|
|
|
|
self_assignments_4: {
|
|
options = {
|
|
dead_code: true,
|
|
pure_getters: "strict",
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
}
|
|
input: {
|
|
var i = 0, l = [ "PASS" ];
|
|
l[0] = l[0];
|
|
l[i] = l[i];
|
|
console.log(l[0], i);
|
|
}
|
|
expect: {
|
|
var i = 0, l = [ "PASS" ];
|
|
console.log(l[0], i);
|
|
}
|
|
expect_stdout: "PASS 0"
|
|
}
|
|
|
|
self_assignments_5: {
|
|
options = {
|
|
dead_code: true,
|
|
evaluate: true,
|
|
passes: 3,
|
|
pure_getters: "strict",
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
}
|
|
input: {
|
|
var i = 0, l = [ "FAIL", "PASS" ];
|
|
l[0] = l[0];
|
|
l[i] = l[i];
|
|
l[i++] = l[i++];
|
|
console.log(l[0], i);
|
|
}
|
|
expect: {
|
|
var i = 0, l = [ "FAIL", "PASS" ];
|
|
l[0];
|
|
l[0];
|
|
l[0] = l[1];
|
|
console.log(l[0], 2);
|
|
}
|
|
expect_stdout: "PASS 2"
|
|
}
|
|
|
|
self_assignments_6: {
|
|
options = {
|
|
dead_code: true,
|
|
pure_getters: "strict",
|
|
reduce_vars: true,
|
|
side_effects: true,
|
|
toplevel: true,
|
|
}
|
|
input: {
|
|
var o = {
|
|
p: "PASS",
|
|
};
|
|
console.log(o.p = o.p);
|
|
}
|
|
expect: {
|
|
var o = {
|
|
p: "PASS",
|
|
};
|
|
console.log(o.p);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_3967: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
var a = "FAIL";
|
|
try {
|
|
a = 0 in (a = "PASS");
|
|
} catch (e) {}
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = "FAIL";
|
|
try {
|
|
a = 0 in (a = "PASS");
|
|
} catch (e) {}
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_4051: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
try {
|
|
delete (A = A);
|
|
} catch (e) {
|
|
console.log("PASS");
|
|
}
|
|
}
|
|
expect: {
|
|
try {
|
|
delete (A = A);
|
|
} catch (e) {
|
|
console.log("PASS");
|
|
}
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_4366: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
function f() {
|
|
return "PASS";
|
|
({
|
|
p: 42,
|
|
get p() {},
|
|
});
|
|
}
|
|
console.log(f());
|
|
}
|
|
expect: {
|
|
function f() {
|
|
return "PASS";
|
|
}
|
|
console.log(f());
|
|
}
|
|
expect_stdout: "PASS"
|
|
node_version: ">=4"
|
|
}
|
|
|
|
issue_4570: {
|
|
options = {
|
|
dead_code: true,
|
|
inline: true,
|
|
}
|
|
input: {
|
|
var a = function(b) {
|
|
return a += b;
|
|
}() ? 0 : a;
|
|
console.log(a);
|
|
}
|
|
expect: {
|
|
var a = (a += void 0) ? 0 : a;
|
|
console.log(a);
|
|
}
|
|
expect_stdout: "NaN"
|
|
}
|
|
|
|
issue_5030: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
(function(a, b) {
|
|
a = function f() {
|
|
if (a)
|
|
if (b--)
|
|
setImmediate(f);
|
|
else
|
|
console.log("FAIL");
|
|
else
|
|
console.log("PASS");
|
|
}();
|
|
})(42, 1);
|
|
}
|
|
expect: {
|
|
(function(a, b) {
|
|
a = function f() {
|
|
if (a)
|
|
if (b--)
|
|
setImmediate(f);
|
|
else
|
|
console.log("FAIL");
|
|
else
|
|
console.log("PASS");
|
|
}();
|
|
})(42, 1);
|
|
}
|
|
expect_stdout: "PASS"
|
|
node_version: ">=0.12"
|
|
}
|
|
|
|
issue_5106_1: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
console.log(typeof function(a) {
|
|
return a = arguments;
|
|
}("FAIL")[0]);
|
|
}
|
|
expect: {
|
|
console.log(typeof function(a) {
|
|
return a = arguments;
|
|
}("FAIL")[0]);
|
|
}
|
|
expect_stdout: "object"
|
|
}
|
|
|
|
issue_5106_2: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
"use strict";
|
|
console.log(function(a) {
|
|
return a = arguments;
|
|
}("PASS")[0]);
|
|
}
|
|
expect: {
|
|
"use strict";
|
|
console.log(function(a) {
|
|
return arguments;
|
|
}("PASS")[0]);
|
|
}
|
|
expect_stdout: "PASS"
|
|
}
|
|
|
|
issue_5506: {
|
|
options = {
|
|
dead_code: true,
|
|
}
|
|
input: {
|
|
try {
|
|
(function(a) {
|
|
var b = 1;
|
|
(function f() {
|
|
try {
|
|
b-- && f();
|
|
} catch (c) {}
|
|
console.log(a);
|
|
a = 42 in (a = "bar");
|
|
})();
|
|
})("foo");
|
|
} catch (e) {}
|
|
}
|
|
expect: {
|
|
try {
|
|
(function(a) {
|
|
var b = 1;
|
|
(function f() {
|
|
try {
|
|
b-- && f();
|
|
} catch (c) {}
|
|
console.log(a);
|
|
a = 42 in (a = "bar");
|
|
})();
|
|
})("foo");
|
|
} catch (e) {}
|
|
}
|
|
expect_stdout: [
|
|
"foo",
|
|
"bar",
|
|
]
|
|
}
|