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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/expressions/short-circuit-compound-assignment.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/expressions/short-circuit-compound-assignment.js | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/js/src/tests/non262/expressions/short-circuit-compound-assignment.js b/js/src/tests/non262/expressions/short-circuit-compound-assignment.js new file mode 100644 index 0000000000..c08c4ddecf --- /dev/null +++ b/js/src/tests/non262/expressions/short-circuit-compound-assignment.js @@ -0,0 +1,265 @@ +const testCasesAnd = []; +const testCasesOr = []; +const testCasesCoalesce = []; + + +// Assignment to a global variable (JSOp::SetGName). +var globalVar; + +function testAnd_GlobalVar(init, value) { + globalVar = init; + return [(globalVar &&= value), globalVar]; +} +testCasesAnd.push(testAnd_GlobalVar); + +function testOr_GlobalVar(init, value) { + globalVar = init; + return [(globalVar ||= value), globalVar]; +} +testCasesOr.push(testOr_GlobalVar); + +function testCoalesce_GlobalVar(init, value) { + globalVar = init; + return [(globalVar ??= value), globalVar]; +} +testCasesCoalesce.push(testCoalesce_GlobalVar); + + +// Assignment to a local variable (JSOp::SetLocal). +function testAnd_LocalVar(init, value) { + let v = init; + return [(v &&= value), v]; +} +testCasesAnd.push(testAnd_LocalVar); + +function testOr_LocalVar(init, value) { + let v = init; + return [(v ||= value), v]; +} +testCasesOr.push(testOr_LocalVar); + +function testCoalesce_LocalVar(init, value) { + let v = init; + return [(v ??= value), v]; +} +testCasesCoalesce.push(testCoalesce_LocalVar); + + +// Assignment to a parameter (JSOp::SetArg). +function testAnd_Arg(init, value) { + function f(v) { + return [(v &&= value), v]; + } + return f(init); +} +testCasesAnd.push(testAnd_Arg); + +function testOr_Arg(init, value) { + function f(v) { + return [(v ||= value), v]; + } + return f(init); +} +testCasesOr.push(testOr_Arg); + +function testCoalesce_Arg(init, value) { + function f(v) { + return [(v ??= value), v]; + } + return f(init); +} +testCasesCoalesce.push(testCoalesce_Arg); + + +// Assignment to a closed over variable (JSOp::SetAliasedVar). +function testAnd_ClosedOver(init, value) { + let v = init; + function f() { + return (v &&= value); + } + return [f(), v]; +} +testCasesAnd.push(testAnd_ClosedOver); + +function testOr_ClosedOver(init, value) { + let v = init; + function f() { + return (v ||= value); + } + return [f(), v]; +} +testCasesOr.push(testOr_ClosedOver); + +function testCoalesce_ClosedOver(init, value) { + let v = init; + function f() { + return (v ??= value); + } + return [f(), v]; +} +testCasesCoalesce.push(testCoalesce_ClosedOver); + + +// Assignment to a dynamic name (JSOp::SetName). +function testAnd_DynamicName(init, value) { + eval("var v = init;"); + return [(v &&= value), v]; +} +testCasesAnd.push(testAnd_DynamicName); + +function testOr_DynamicName(init, value) { + eval("var v = init;"); + return [(v ||= value), v]; +} +testCasesOr.push(testOr_DynamicName); + +function testCoalesce_DynamicName(init, value) { + eval("var v = init;"); + return [(v ??= value), v]; +} +testCasesCoalesce.push(testCoalesce_DynamicName); + + +// Assignment to a property. +function testAnd_Property(init, value) { + let obj = {p: init}; + return [(obj.p &&= value), obj.p]; +} +testCasesAnd.push(testAnd_Property); + +function testOr_Property(init, value) { + let obj = {p: init}; + return [(obj.p ||= value), obj.p]; +} +testCasesOr.push(testOr_Property); + +function testCoalesce_Property(init, value) { + let obj = {p: init}; + return [(obj.p ??= value), obj.p]; +} +testCasesCoalesce.push(testCoalesce_Property); + + +// Assignment to a super property. +function testAnd_SuperProperty(init, value) { + let proto = {p: init}; + let obj = {__proto__: proto, m() { return (super.p &&= value); }}; + return [obj.m(), obj.p]; +} +testCasesAnd.push(testAnd_SuperProperty); + +function testOr_SuperProperty(init, value) { + let proto = {p: init}; + let obj = {__proto__: proto, m() { return (super.p ||= value); }}; + return [obj.m(), obj.p]; +} +testCasesOr.push(testOr_SuperProperty); + +function testCoalesce_SuperProperty(init, value) { + let proto = {p: init}; + let obj = {__proto__: proto, m() { return (super.p ??= value); }}; + return [obj.m(), obj.p]; +} +testCasesCoalesce.push(testCoalesce_SuperProperty); + + +// Assignment to an element. +function testAnd_Element(init, value) { + let p = 123; + let obj = {[p]: init}; + return [(obj[p] &&= value), obj[p]]; +} +testCasesAnd.push(testAnd_Element); + +function testOr_Element(init, value) { + let p = 123; + let obj = {[p]: init}; + return [(obj[p] ||= value), obj[p]]; +} +testCasesOr.push(testOr_Element); + +function testCoalesce_Element(init, value) { + let p = 123; + let obj = {[p]: init}; + return [(obj[p] ??= value), obj[p]]; +} +testCasesCoalesce.push(testCoalesce_Element); + + +// Assignment to a super element. +function testAnd_SuperElement(init, value) { + let p = 123; + let proto = {[p]: init}; + let obj = {__proto__: proto, m() { return (super[p] &&= value); }}; + return [obj.m(), obj[p]]; +} +testCasesAnd.push(testAnd_SuperElement); + +function testOr_SuperElement(init, value) { + let p = 123; + let proto = {[p]: init}; + let obj = {__proto__: proto, m() { return (super[p] ||= value); }}; + return [obj.m(), obj[p]]; +} +testCasesOr.push(testOr_SuperElement); + +function testCoalesce_SuperElement(init, value) { + let p = 123; + let proto = {[p]: init}; + let obj = {__proto__: proto, m() { return (super[p] ??= value); }}; + return [obj.m(), obj[p]]; +} +testCasesCoalesce.push(testCoalesce_SuperElement); + + +// Run the actual tests. + +function runTest(testCases, init, value, expected) { + for (let f of testCases) { + let [result, newValue] = f(init, value); + + assertEq(result, expected); + assertEq(newValue, expected); + } +} + +function testAnd(init, value) { + const expected = init ? value : init; + runTest(testCasesAnd, init, value, expected); +} + +function testOr(init, value) { + const expected = !init ? value : init; + runTest(testCasesOr, init, value, expected); +} + +function testCoalesce(init, value) { + const expected = init === undefined || init === null ? value : init; + runTest(testCasesCoalesce, init, value, expected); +} + + +// Repeat a number of times to ensure JITs can kick in, too. +for (let i = 0; i < 50; ++i) { + for (let thruthy of [true, 123, 123n, "hi", [], Symbol()]) { + testAnd(thruthy, "pass"); + testOr(thruthy, "fail"); + testCoalesce(thruthy, "fail"); + } + + for (let falsy of [false, 0, NaN, 0n, ""]) { + testAnd(falsy, "fail"); + testOr(falsy, "pass"); + testCoalesce(falsy, "fail"); + } + + for (let nullOrUndefined of [null, undefined]) { + testAnd(nullOrUndefined, "fail"); + testOr(nullOrUndefined, "pass"); + testCoalesce(nullOrUndefined, "pass"); + } +} + + +if (typeof reportCompare === "function") + reportCompare(0, 0); |