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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/language/statements/function/unscopables-with.js
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
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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.js98
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
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+++ 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);