525 lines
13 KiB
JavaScript
525 lines
13 KiB
JavaScript
comparisons: {
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options = {
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comparisons: true,
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}
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input: {
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var obj1, obj2;
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var result1 = obj1 <= obj2;
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var result2 = obj1 < obj2;
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var result3 = obj1 >= obj2;
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var result4 = obj1 > obj2;
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}
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expect: {
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var obj1, obj2;
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var result1 = obj1 <= obj2;
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var result2 = obj1 < obj2;
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var result3 = obj2 <= obj1;
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var result4 = obj2 < obj1;
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}
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}
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unsafe_comps: {
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options = {
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comparisons: true,
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conditionals: true,
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unsafe_comps: true,
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}
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input: {
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var obj1, obj2;
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obj1 <= obj2 ? f1() : g1();
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obj1 < obj2 ? f2() : g2();
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obj1 >= obj2 ? f3() : g3();
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obj1 > obj2 ? f4() : g4();
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}
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expect: {
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var obj1, obj2;
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(obj2 < obj1 ? g1 : f1)();
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(obj1 < obj2 ? f2 : g2)();
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(obj1 < obj2 ? g3 : f3)();
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(obj2 < obj1 ? f4 : g4)();
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}
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}
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dont_change_in_or_instanceof_expressions: {
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input: {
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1 in 1;
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null in null;
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1 instanceof 1;
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null instanceof null;
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}
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expect: {
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1 in 1;
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null in null;
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1 instanceof 1;
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null instanceof null;
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}
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}
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self_comparison_1: {
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options = {
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comparisons: true,
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}
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input: {
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a === a;
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a !== b;
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b.c === a.c;
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b.c !== b.c;
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}
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expect: {
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a == a;
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a !== b;
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b.c === a.c;
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b.c != b.c;
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}
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}
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self_comparison_2: {
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options = {
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comparisons: true,
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reduce_funcs: true,
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reduce_vars: true,
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toplevel: true,
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}
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input: {
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function f() {}
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var o = {};
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console.log(f != f, o === o);
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}
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expect: {
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function f() {}
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var o = {};
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console.log(false, true);
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}
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expect_stdout: "false true"
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}
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self_comparison_3: {
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options = {
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comparisons: true,
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}
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input: {
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var a;
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function f() {
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var b = a;
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a = null;
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return b;
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}
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for (var i = 0; i < 2; i++)
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console.log(f() === f());
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}
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expect: {
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var a;
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function f() {
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var b = a;
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a = null;
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return b;
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}
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for (var i = 0; i < 2; i++)
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console.log(f() === f());
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}
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expect_stdout: [
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"false",
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"true",
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]
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}
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self_comparison_4: {
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options = {
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booleans: true,
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comparisons: true,
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reduce_vars: true,
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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 o = {};
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console.log(o == o, o != o);
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console.log(o === o, o !== o);
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}
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expect: {
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console.log(!0, !1);
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console.log(!0, !1);
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}
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expect_stdout: [
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"true false",
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"true false",
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]
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}
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issue_2857_1: {
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options = {
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comparisons: true,
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}
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input: {
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function f1(a) {
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a === undefined || a === null;
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a === undefined || a !== null;
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a !== undefined || a === null;
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a !== undefined || a !== null;
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a === undefined && a === null;
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a === undefined && a !== null;
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a !== undefined && a === null;
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a !== undefined && a !== null;
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}
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function f2(a) {
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a === null || a === undefined;
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a === null || a !== undefined;
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a !== null || a === undefined;
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a !== null || a !== undefined;
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a === null && a === undefined;
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a === null && a !== undefined;
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a !== null && a === undefined;
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a !== null && a !== undefined;
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}
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}
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expect: {
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function f1(a) {
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null == a;
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void 0 === a || null !== a;
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void 0 !== a || null === a;
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void 0 !== a || null !== a;
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void 0 === a && null === a;
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void 0 === a && null !== a;
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void 0 !== a && null === a;
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null != a;
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}
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function f2(a) {
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null == a;
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null === a || void 0 !== a;
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null !== a || void 0 === a;
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null !== a || void 0 !== a;
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null === a && void 0 === a;
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null === a && void 0 !== a;
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null !== a && void 0 === a;
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null != a;
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}
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}
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}
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issue_2857_2: {
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options = {
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comparisons: true,
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}
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input: {
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function f(a, p) {
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a === undefined || a === null || p;
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a === undefined || a !== null || p;
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a !== undefined || a === null || p;
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a !== undefined || a !== null || p;
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a === undefined && a === null || p;
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a === undefined && a !== null || p;
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a !== undefined && a === null || p;
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a !== undefined && a !== null || p;
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}
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}
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expect: {
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function f(a, p) {
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null == a || p;
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void 0 === a || null !== a || p;
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void 0 !== a || null === a || p;
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void 0 !== a || null !== a || p;
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void 0 === a && null === a || p;
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void 0 === a && null !== a || p;
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void 0 !== a && null === a || p;
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null != a || p;
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}
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}
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}
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issue_2857_3: {
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options = {
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comparisons: true,
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}
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input: {
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function f(a, p) {
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a === undefined || a === null && p;
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a === undefined || a !== null && p;
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a !== undefined || a === null && p;
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a !== undefined || a !== null && p;
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a === undefined && a === null && p;
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a === undefined && a !== null && p;
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a !== undefined && a === null && p;
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a !== undefined && a !== null && p;
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}
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}
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expect: {
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function f(a, p) {
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void 0 === a || null === a && p;
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void 0 === a || null !== a && p;
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void 0 !== a || null === a && p;
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void 0 !== a || null !== a && p;
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void 0 === a && null === a && p;
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void 0 === a && null !== a && p;
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void 0 !== a && null === a && p;
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null != a && p;
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}
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}
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}
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issue_2857_4: {
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options = {
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comparisons: true,
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}
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input: {
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function f(a, p) {
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p || a === undefined || a === null;
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p || a === undefined || a !== null;
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p || a !== undefined || a === null;
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p || a !== undefined || a !== null;
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p || a === undefined && a === null;
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p || a === undefined && a !== null;
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p || a !== undefined && a === null;
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p || a !== undefined && a !== null;
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}
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}
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expect: {
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function f(a, p) {
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p || null == a;
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p || void 0 === a || null !== a;
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p || void 0 !== a || null === a;
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p || void 0 !== a || null !== a;
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p || void 0 === a && null === a;
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p || void 0 === a && null !== a;
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p || void 0 !== a && null === a;
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p || null != a;
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}
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}
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}
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issue_2857_5: {
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options = {
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comparisons: true,
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}
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input: {
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function f(a, p) {
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p && a === undefined || a === null;
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p && a === undefined || a !== null;
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p && a !== undefined || a === null;
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p && a !== undefined || a !== null;
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p && a === undefined && a === null;
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p && a === undefined && a !== null;
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p && a !== undefined && a === null;
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p && a !== undefined && a !== null;
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}
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}
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expect: {
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function f(a, p) {
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p && void 0 === a || null === a;
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p && void 0 === a || null !== a;
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p && void 0 !== a || null === a;
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p && void 0 !== a || null !== a;
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p && void 0 === a && null === a;
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p && void 0 === a && null !== a;
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p && void 0 !== a && null === a;
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p && null != a;
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}
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}
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}
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issue_2857_6: {
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options = {
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comparisons: true,
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pure_getters: "strict",
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reduce_vars: true,
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}
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input: {
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function f(a) {
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if (({}).b === undefined || {}.b === null)
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return a.b !== undefined && a.b !== null;
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}
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console.log(f({
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a: [ null ],
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get b() {
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return this.a.shift();
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}
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}));
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}
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expect: {
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function f(a) {
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if (null == {}.b)
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return void 0 !== a.b && null !== a.b;
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}
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console.log(f({
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a: [ null ],
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get b() {
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return this.a.shift();
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}
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}));
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}
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expect_stdout: "true"
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}
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is_boolean_unsafe: {
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options = {
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comparisons: true,
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unsafe: true,
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}
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input: {
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console.log(/foo/.test("bar") === [].isPrototypeOf({}));
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}
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expect: {
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console.log(/foo/.test("bar") == [].isPrototypeOf({}));
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}
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expect_stdout: "true"
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}
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is_number_unsafe: {
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options = {
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comparisons: true,
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unsafe: true,
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}
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input: {
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console.log(Math.acos(42) !== "foo".charCodeAt(4));
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}
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expect: {
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console.log(Math.acos(42) != "foo".charCodeAt(4));
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}
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expect_stdout: "true"
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}
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is_boolean_var: {
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options = {
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comparisons: true,
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reduce_vars: true,
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}
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input: {
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console.log(function(a, b) {
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for (var i = 0, c = !b; i < a.length; i++)
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if (!a[i] === c)
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return i;
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}([ false, true ], 42));
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}
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expect: {
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console.log(function(a, b) {
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for (var i = 0, c = !b; i < a.length; i++)
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if (!a[i] == c)
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return i;
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}([ false, true ], 42));
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}
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expect_stdout: "1"
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}
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is_defined: {
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options = {
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comparisons: true,
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}
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input: {
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console.log(function a() {
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return void 0 === a;
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}());
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}
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expect: {
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console.log(function a() {
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return a, false;
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}());
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}
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expect_stdout: "false"
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expect_warnings: [
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"WARN: Expression always defined [test/compress/comparisons.js:2,19]",
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]
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}
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unsafe_indexOf: {
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options = {
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booleans: true,
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comparisons: true,
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unsafe: true,
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}
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input: {
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var a = Object.keys({ foo: 42 });
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if (a.indexOf("bar") < 0) console.log("PASS");
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if (0 > a.indexOf("bar")) console.log("PASS");
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if (a.indexOf("foo") >= 0) console.log("PASS");
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if (0 <= a.indexOf("foo")) console.log("PASS");
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if (a.indexOf("foo") > -1) console.log("PASS");
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if (-1 < a.indexOf("foo")) console.log("PASS");
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if (a.indexOf("bar") == -1) console.log("PASS");
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if (-1 == a.indexOf("bar")) console.log("PASS");
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if (a.indexOf("bar") === -1) console.log("PASS");
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if (-1 === a.indexOf("bar")) console.log("PASS");
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if (a.indexOf("foo") != -1) console.log("PASS");
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if (-1 != a.indexOf("foo")) console.log("PASS");
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if (a.indexOf("foo") !== -1) console.log("PASS");
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if (-1 !== a.indexOf("foo")) console.log("PASS");
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}
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expect: {
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var a = Object.keys({ foo: 42 });
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if (!~a.indexOf("bar")) console.log("PASS");
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if (!~a.indexOf("bar")) console.log("PASS");
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if (~a.indexOf("foo")) console.log("PASS");
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if (~a.indexOf("foo")) console.log("PASS");
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if (~a.indexOf("foo")) console.log("PASS");
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if (~a.indexOf("foo")) console.log("PASS");
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if (!~a.indexOf("bar")) console.log("PASS");
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if (!~a.indexOf("bar")) console.log("PASS");
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if (!~a.indexOf("bar")) console.log("PASS");
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if (!~a.indexOf("bar")) console.log("PASS");
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if (~a.indexOf("foo")) console.log("PASS");
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if (~a.indexOf("foo")) console.log("PASS");
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if (~a.indexOf("foo")) console.log("PASS");
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if (~a.indexOf("foo")) console.log("PASS");
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}
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expect_stdout: [
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"PASS",
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"PASS",
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"PASS",
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"PASS",
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"PASS",
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"PASS",
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"PASS",
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"PASS",
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"PASS",
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"PASS",
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"PASS",
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"PASS",
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"PASS",
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"PASS",
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]
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}
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issue_3413: {
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options = {
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comparisons: true,
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evaluate: true,
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side_effects: true,
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}
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input: {
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var b;
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void 0 !== ("" < b || void 0) || console.log("PASS");
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}
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expect: {
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var b;
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void 0 === ("" < b || void 0) && console.log("PASS");
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}
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expect_stdout: "PASS"
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}
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nullish_assign: {
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options = {
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comparisons: true,
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}
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input: {
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var a;
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void 0 !== (a = "PASS".split("")) && null !== a && console.log(a.join("-"));
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}
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expect: {
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var a;
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null != (a = "PASS".split("")) && console.log(a.join("-"));
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}
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expect_stdout: "P-A-S-S"
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}
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nullish_chain: {
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options = {
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comparisons: true,
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}
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input: {
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var a;
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A || B || void 0 === a || null === a || C;
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}
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expect: {
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var a;
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A || B || null == a || C;
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}
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}
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