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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/async-generator/unscopables-with.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/async-generator/unscopables-with.js')
-rw-r--r-- | js/src/tests/test262/language/statements/async-generator/unscopables-with.js | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/unscopables-with.js b/js/src/tests/test262/language/statements/async-generator/unscopables-with.js new file mode 100644 index 0000000000..791c40315f --- /dev/null +++ b/js/src/tests/test262/language/statements/async-generator/unscopables-with.js @@ -0,0 +1,76 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/function-forms/unscopables-with.case +// - src/function-forms/default/async-gen-func-decl.template +/*--- +description: Symbol.unscopables behavior across scope boundaries (async generator function declaration) +esid: sec-asyncgenerator-definitions-instantiatefunctionobject +features: [globalThis, Symbol.unscopables, async-iteration] +flags: [generated, noStrict, async] +info: | + AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier + ( FormalParameters ) { AsyncGeneratorBody } + + [...] + 3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody, + scope, strict). + [...] + + + ... + Let envRec be lex's EnvironmentRecord. + Let exists be ? envRec.HasBinding(name). + + HasBinding + + ... + If the withEnvironment flag of envRec is false, return true. + Let unscopables be ? Get(bindings, @@unscopables). + If Type(unscopables) is Object, then + Let blocked be ToBoolean(? Get(unscopables, N)). + If blocked is true, return false. + + (The `with` Statement) Runtime Semantics: Evaluation + + ... + Set the withEnvironment flag of newEnv’s EnvironmentRecord to true. + ... + +---*/ +let count = 0; +var v = 1; +globalThis[Symbol.unscopables] = { + v: true, +}; + +{ + count++; + + +var callCount = 0; +// Stores a reference `ref` for case evaluation +async function* ref(x) { + count++; + with (globalThis) { + count++; + assert.sameValue(v, undefined, 'The value of `v` is expected to equal `undefined`'); + } + count++; + var v = x; + with (globalThis) { + count++; + assert.sameValue(v, 10, 'The value of `v` is 10'); + v = 20; + } + assert.sameValue(v, 20, 'The value of `v` is 20'); + assert.sameValue(globalThis.v, 1, 'The value of globalThis.v is 1'); + callCount = callCount + 1; +} + +ref(10).next().then(() => { + assert.sameValue(callCount, 1, 'generator function invoked exactly once'); +}).then($DONE, $DONE); + + count++; +} +assert.sameValue(count, 6, 'The value of `count` is 6'); |