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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/test262/language/statements/let/dstr/obj-ptrn-prop-id-init-skipped.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 'js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-id-init-skipped.js')
-rw-r--r-- | js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-id-init-skipped.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-id-init-skipped.js b/js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-id-init-skipped.js new file mode 100644 index 0000000000..aef6d1236e --- /dev/null +++ b/js/src/tests/test262/language/statements/let/dstr/obj-ptrn-prop-id-init-skipped.js @@ -0,0 +1,53 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case +// - src/dstr-binding/default/let-stmt.template +/*--- +description: Destructuring initializer is not evaluated when value is not `undefined` (`let` statement) +esid: sec-let-and-const-declarations-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + LexicalBinding : BindingPattern Initializer + + 1. Let rhs be the result of evaluating Initializer. + 2. Let value be GetValue(rhs). + 3. ReturnIfAbrupt(value). + 4. Let env be the running execution context's LexicalEnvironment. + 5. Return the result of performing BindingInitialization for BindingPattern + using value and env as the arguments. + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + BindingElement : BindingPattern Initializeropt + + [...] + 3. If Initializer is present and v is undefined, then + [...] +---*/ +var initCount = 0; +function counter() { + initCount += 1; +} + +let { s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } = { s: null, u: 0, w: false, y: '' }; + +assert.sameValue(t, null); +assert.sameValue(v, 0); +assert.sameValue(x, false); +assert.sameValue(z, ''); +assert.sameValue(initCount, 0); + +assert.throws(ReferenceError, function() { + s; +}); +assert.throws(ReferenceError, function() { + u; +}); +assert.throws(ReferenceError, function() { + w; +}); +assert.throws(ReferenceError, function() { + y; +}); + +reportCompare(0, 0); |