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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/function/unscopables-with.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.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/function/unscopables-with.js')
-rw-r--r-- | js/src/tests/test262/language/statements/function/unscopables-with.js | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/function/unscopables-with.js b/js/src/tests/test262/language/statements/function/unscopables-with.js new file mode 100644 index 0000000000..ddbef97778 --- /dev/null +++ b/js/src/tests/test262/language/statements/function/unscopables-with.js @@ -0,0 +1,98 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/unscopables-with.case +// - src/function-forms/default/func-decl.template +/*--- +description: Symbol.unscopables behavior across scope boundaries (function declaration) +esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject +features: [globalThis, Symbol.unscopables] +flags: [generated, noStrict] +info: | + FunctionDeclaration : + function BindingIdentifier ( FormalParameters ) { FunctionBody } + + [...] + 3. Let F be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + ... + 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 +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); + +assert.sameValue(callCount, 1, 'function invoked exactly once'); + + count++; +} +assert.sameValue(count, 6, 'The value of `count` is 6'); + +reportCompare(0, 0); |