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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/generators/iteration.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/generators/iteration.js | 574 |
1 files changed, 574 insertions, 0 deletions
diff --git a/js/src/tests/non262/generators/iteration.js b/js/src/tests/non262/generators/iteration.js new file mode 100644 index 0000000000..6eb6a51aa3 --- /dev/null +++ b/js/src/tests/non262/generators/iteration.js @@ -0,0 +1,574 @@ +// This file was written by Andy Wingo <wingo@igalia.com> and originally +// contributed to V8 as generators-objects.js, available here: +// +// http://code.google.com/p/v8/source/browse/branches/bleeding_edge/test/mjsunit/harmony/generators-objects.js + +// Test aspects of the generator runtime. + + +var GeneratorFunction = (function*(){yield 1;}).constructor; + + +function TestGeneratorResultPrototype() { + function* g() { yield 1; } + var iter = g(); + assertIteratorNext(iter, 1); + assertIteratorDone(iter, undefined); + assertIteratorDone(iter, undefined); +} +TestGeneratorResultPrototype(); + +function TestGenerator(g, expected_values_for_next, + send_val, expected_values_for_send) { + function testNext(thunk) { + var iter = thunk(); + for (var i = 0; i < expected_values_for_next.length; i++) { + assertIteratorResult(iter.next(), expected_values_for_next[i], + i == expected_values_for_next.length - 1); + } + assertIteratorDone(iter, undefined); + } + function testSend(thunk) { + var iter = thunk(); + for (var i = 0; i < expected_values_for_send.length; i++) { + assertIteratorResult(iter.next(send_val), + expected_values_for_send[i], + i == expected_values_for_send.length - 1); + } + assertIteratorDone(iter, undefined); + } + function testThrow(thunk) { + for (var i = 0; i < expected_values_for_next.length; i++) { + var iter = thunk(); + for (var j = 0; j < i; j++) { + assertIteratorResult(iter.next(), + expected_values_for_next[j], + j == expected_values_for_next.length - 1); + } + var Sentinel = function () {} + assertThrowsInstanceOf(function () { iter.throw(new Sentinel); }, Sentinel); + assertIteratorDone(iter, undefined); + } + } + + testNext(g); + testSend(g); + testThrow(g); + + testNext(function*() { return yield* g(); }); + testSend(function*() { return yield* g(); }); + testThrow(function*() { return yield* g(); }); + + if (g instanceof GeneratorFunction) { + testNext(function() { return g(); }); + testSend(function() { return g(); }); + testThrow(function() { return g(); }); + } +} + +TestGenerator(function* g1() { }, + [undefined], + "foo", + [undefined]); + +TestGenerator(function* g2() { yield 1; }, + [1, undefined], + "foo", + [1, undefined]); + +TestGenerator(function* g3() { yield 1; yield 2; }, + [1, 2, undefined], + "foo", + [1, 2, undefined]); + +TestGenerator(function* g4() { yield 1; yield 2; return 3; }, + [1, 2, 3], + "foo", + [1, 2, 3]); + +TestGenerator(function* g5() { return 1; }, + [1], + "foo", + [1]); + +TestGenerator(function* g6() { var x = yield 1; return x; }, + [1, undefined], + "foo", + [1, "foo"]); + +TestGenerator(function* g7() { var x = yield 1; yield 2; return x; }, + [1, 2, undefined], + "foo", + [1, 2, "foo"]); + +TestGenerator(function* g8() { for (var x = 0; x < 4; x++) { yield x; } }, + [0, 1, 2, 3, undefined], + "foo", + [0, 1, 2, 3, undefined]); + +// Generator with arguments. +TestGenerator( + function g9() { + return (function*(a, b, c, d) { + yield a; yield b; yield c; yield d; + })("fee", "fi", "fo", "fum"); + }, + ["fee", "fi", "fo", "fum", undefined], + "foo", + ["fee", "fi", "fo", "fum", undefined]); + +// Too few arguments. +TestGenerator( + function g10() { + return (function*(a, b, c, d) { + yield a; yield b; yield c; yield d; + })("fee", "fi"); + }, + ["fee", "fi", undefined, undefined, undefined], + "foo", + ["fee", "fi", undefined, undefined, undefined]); + +// Too many arguments. +TestGenerator( + function g11() { + return (function*(a, b, c, d) { + yield a; yield b; yield c; yield d; + })("fee", "fi", "fo", "fum", "I smell the blood of an Englishman"); + }, + ["fee", "fi", "fo", "fum", undefined], + "foo", + ["fee", "fi", "fo", "fum", undefined]); + +// The arguments object. +TestGenerator( + function g12() { + return (function*(a, b, c, d) { + for (var i = 0; i < arguments.length; i++) { + yield arguments[i]; + } + })("fee", "fi", "fo", "fum", "I smell the blood of an Englishman"); + }, + ["fee", "fi", "fo", "fum", "I smell the blood of an Englishman", + undefined], + "foo", + ["fee", "fi", "fo", "fum", "I smell the blood of an Englishman", + undefined]); + +// Access to captured free variables. +TestGenerator( + function g13() { + return (function(a, b, c, d) { + return (function*() { + yield a; yield b; yield c; yield d; + })(); + })("fee", "fi", "fo", "fum"); + }, + ["fee", "fi", "fo", "fum", undefined], + "foo", + ["fee", "fi", "fo", "fum", undefined]); + +// Abusing the arguments object. +TestGenerator( + function g14() { + return (function*(a, b, c, d) { + arguments[0] = "Be he live"; + arguments[1] = "or be he dead"; + arguments[2] = "I'll grind his bones"; + arguments[3] = "to make my bread"; + yield a; yield b; yield c; yield d; + })("fee", "fi", "fo", "fum"); + }, + ["Be he live", "or be he dead", "I'll grind his bones", "to make my bread", + undefined], + "foo", + ["Be he live", "or be he dead", "I'll grind his bones", "to make my bread", + undefined]); + +// Abusing the arguments object: strict mode. +TestGenerator( + function g15() { + return (function*(a, b, c, d) { + "use strict"; + arguments[0] = "Be he live"; + arguments[1] = "or be he dead"; + arguments[2] = "I'll grind his bones"; + arguments[3] = "to make my bread"; + yield a; yield b; yield c; yield d; + })("fee", "fi", "fo", "fum"); + }, + ["fee", "fi", "fo", "fum", undefined], + "foo", + ["fee", "fi", "fo", "fum", undefined]); + +// GC. +if (typeof gc == 'function') { + TestGenerator(function* g16() { yield "baz"; gc(); yield "qux"; }, + ["baz", "qux", undefined], + "foo", + ["baz", "qux", undefined]); +} + +// Receivers. +TestGenerator( + function g17() { + function* g() { yield this.x; yield this.y; } + var o = { start: g, x: 1, y: 2 }; + return o.start(); + }, + [1, 2, undefined], + "foo", + [1, 2, undefined]); + +// FIXME: Capture the generator object as "this" in new g(). Bug 907742. +// TestGenerator( +// function g18() { +// function* g() { yield this.x; yield this.y; } +// var iter = new g; +// iter.x = 1; +// iter.y = 2; +// return iter; +// }, +// [1, 2, undefined], +// "foo", +// [1, 2, undefined]); + +TestGenerator( + function* g19() { + var x = 1; + yield x; + with({x:2}) { yield x; } + yield x; + }, + [1, 2, 1, undefined], + "foo", + [1, 2, 1, undefined]); + +TestGenerator( + function* g20() { yield (1 + (yield 2) + 3); }, + [2, NaN, undefined], + "foo", + [2, "1foo3", undefined]); + +TestGenerator( + function* g21() { return (1 + (yield 2) + 3); }, + [2, NaN], + "foo", + [2, "1foo3"]); + +TestGenerator( + function* g22() { yield (1 + (yield 2) + 3); yield (4 + (yield 5) + 6); }, + [2, NaN, 5, NaN, undefined], + "foo", + [2, "1foo3", 5, "4foo6", undefined]); + +TestGenerator( + function* g23() { + return (yield (1 + (yield 2) + 3)) + (yield (4 + (yield 5) + 6)); + }, + [2, NaN, 5, NaN, NaN], + "foo", + [2, "1foo3", 5, "4foo6", "foofoo"]); + +// Rewind a try context with and without operands on the stack. +TestGenerator( + function* g24() { + try { + return (yield (1 + (yield 2) + 3)) + (yield (4 + (yield 5) + 6)); + } catch (e) { + throw e; + } + }, + [2, NaN, 5, NaN, NaN], + "foo", + [2, "1foo3", 5, "4foo6", "foofoo"]); + +// Yielding in a catch context, with and without operands on the stack. +TestGenerator( + function* g25() { + try { + throw (yield (1 + (yield 2) + 3)) + } catch (e) { + if (typeof e == 'object') throw e; + return e + (yield (4 + (yield 5) + 6)); + } + }, + [2, NaN, 5, NaN, NaN], + "foo", + [2, "1foo3", 5, "4foo6", "foofoo"]); + +// Generator function instances. +TestGenerator(GeneratorFunction(), + [undefined], + "foo", + [undefined]); + +TestGenerator(new GeneratorFunction(), + [undefined], + "foo", + [undefined]); + +TestGenerator(GeneratorFunction('yield 1;'), + [1, undefined], + "foo", + [1, undefined]); + +TestGenerator( + function() { return GeneratorFunction('x', 'y', 'yield x + y;')(1, 2) }, + [3, undefined], + "foo", + [3, undefined]); + +// Access to this with formal arguments. +TestGenerator( + function () { + return ({ x: 42, g: function* (a) { yield this.x } }).g(0); + }, + [42, undefined], + "foo", + [42, undefined]); + +function TestTryCatch(instantiate) { + function* g() { yield 1; try { yield 2; } catch (e) { yield e; } yield 3; } + function Sentinel() {} + + function Test1(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + assertIteratorNext(iter, 3); + assertIteratorDone(iter, undefined); + assertIteratorDone(iter, undefined); + } + Test1(instantiate(g)); + + function Test2(iter) { + assertThrowsInstanceOf(function() { iter.throw(new Sentinel); }, Sentinel); + assertIteratorDone(iter, undefined); + } + Test2(instantiate(g)); + + function Test3(iter) { + assertIteratorNext(iter, 1); + assertThrowsInstanceOf(function() { iter.throw(new Sentinel); }, Sentinel); + assertIteratorDone(iter, undefined); + } + Test3(instantiate(g)); + + function Test4(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + var exn = new Sentinel; + assertIteratorResult(iter.throw(exn), exn, false); + assertIteratorNext(iter, 3); + assertIteratorDone(iter, undefined); + assertIteratorDone(iter, undefined); + } + Test4(instantiate(g)); + + function Test5(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + var exn = new Sentinel; + assertIteratorResult(iter.throw(exn), exn, false); + assertIteratorNext(iter, 3); + assertThrowsInstanceOf(function() { iter.throw(new Sentinel); }, Sentinel); + assertIteratorDone(iter, undefined); + + } + Test5(instantiate(g)); + + function Test6(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + var exn = new Sentinel; + assertIteratorResult(iter.throw(exn), exn, false); + assertThrowsInstanceOf(function() { iter.throw(new Sentinel); }, Sentinel); + assertIteratorDone(iter, undefined); + } + Test6(instantiate(g)); +} +TestTryCatch(function (g) { return g(); }); +TestTryCatch(function* (g) { return yield* g(); }); + +function TestTryFinally(instantiate) { + function* g() { yield 1; try { yield 2; } finally { yield 3; } yield 4; } + function Sentinel() {} + function Sentinel2() {} + + function Test1(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + assertIteratorNext(iter, 3); + assertIteratorNext(iter, 4); + assertIteratorDone(iter, undefined); + assertIteratorDone(iter, undefined); + } + Test1(instantiate(g)); + + function Test2(iter) { + assertThrowsInstanceOf(function() { iter.throw(new Sentinel); }, Sentinel); + assertIteratorDone(iter, undefined); + } + Test2(instantiate(g)); + + function Test3(iter) { + assertIteratorNext(iter, 1); + assertThrowsInstanceOf(function() { iter.throw(new Sentinel); }, Sentinel); + assertIteratorDone(iter, undefined); + } + Test3(instantiate(g)); + + function Test4(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + assertIteratorResult(iter.throw(new Sentinel), 3, false); + assertThrowsInstanceOf(function() { iter.next(); }, Sentinel); + assertIteratorDone(iter, undefined); + + } + Test4(instantiate(g)); + + function Test5(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + assertIteratorResult(iter.throw(new Sentinel), 3, false); + assertThrowsInstanceOf(function() { iter.throw(new Sentinel2); }, Sentinel2); + assertIteratorDone(iter, undefined); + } + Test5(instantiate(g)); + + function Test6(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + assertIteratorNext(iter, 3); + assertThrowsInstanceOf(function() { iter.throw(new Sentinel); }, Sentinel); + assertIteratorDone(iter, undefined); + } + Test6(instantiate(g)); + + function Test7(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + assertIteratorNext(iter, 3); + assertIteratorNext(iter, 4); + assertThrowsInstanceOf(function() { iter.throw(new Sentinel); }, Sentinel); + assertIteratorDone(iter, undefined); + } + Test7(instantiate(g)); +} +TestTryFinally(function (g) { return g(); }); +TestTryFinally(function* (g) { return yield* g(); }); + +function TestNestedTry(instantiate) { + function* g() { + try { + yield 1; + try { yield 2; } catch (e) { yield e; } + yield 3; + } finally { + yield 4; + } + yield 5; + } + function Sentinel() {} + function Sentinel2() {} + + function Test1(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + assertIteratorNext(iter, 3); + assertIteratorNext(iter, 4); + assertIteratorNext(iter, 5); + assertIteratorDone(iter, undefined); + assertIteratorDone(iter, undefined); + } + Test1(instantiate(g)); + + function Test2(iter) { + assertThrowsInstanceOf(function() { iter.throw(new Sentinel); }, Sentinel); + assertIteratorDone(iter, undefined); + } + Test2(instantiate(g)); + + function Test3(iter) { + assertIteratorNext(iter, 1); + assertIteratorResult(iter.throw(new Sentinel), 4, false); + assertThrowsInstanceOf(function() { iter.next(); }, Sentinel); + assertIteratorDone(iter, undefined); + } + Test3(instantiate(g)); + + function Test4(iter) { + assertIteratorNext(iter, 1); + assertIteratorResult(iter.throw(new Sentinel), 4, false); + assertThrowsInstanceOf(function() { iter.throw(new Sentinel2); }, Sentinel2); + assertIteratorDone(iter, undefined); + } + Test4(instantiate(g)); + + function Test5(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + var exn = new Sentinel; + assertIteratorResult(iter.throw(exn), exn, false); + assertIteratorNext(iter, 3); + assertIteratorNext(iter, 4); + assertIteratorNext(iter, 5); + assertIteratorDone(iter, undefined); + assertIteratorDone(iter, undefined); + + } + Test5(instantiate(g)); + + function Test6(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + var exn = new Sentinel; + assertIteratorResult(iter.throw(exn), exn, false); + assertIteratorResult(iter.throw(new Sentinel2), 4, false); + assertThrowsInstanceOf(function() { iter.next(); }, Sentinel2); + assertIteratorDone(iter, undefined); + } + Test6(instantiate(g)); + + function Test7(iter) { + assertIteratorNext(iter, 1); + assertIteratorNext(iter, 2); + var exn = new Sentinel; + assertIteratorResult(iter.throw(exn), exn, false); + assertIteratorNext(iter, 3); + assertIteratorResult(iter.throw(new Sentinel2), 4, false); + assertThrowsInstanceOf(function() { iter.next(); }, Sentinel2); + assertIteratorDone(iter, undefined); + + } + Test7(instantiate(g)); + + // That's probably enough. +} +TestNestedTry(function (g) { return g(); }); +TestNestedTry(function* (g) { return yield* g(); }); + +function TestRecursion() { + function TestNextRecursion() { + function* g() { yield iter.next(); } + var iter = g(); + return iter.next(); + } + function TestSendRecursion() { + function* g() { yield iter.next(42); } + var iter = g(); + return iter.next(); + } + function TestThrowRecursion() { + function* g() { yield iter.throw(1); } + var iter = g(); + return iter.next(); + } + assertThrowsInstanceOf(TestNextRecursion, TypeError); + assertThrowsInstanceOf(TestSendRecursion, TypeError); + assertThrowsInstanceOf(TestThrowRecursion, TypeError); +} +TestRecursion(); + +if (typeof reportCompare == "function") + reportCompare(true, true); |