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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/dflt-params-trailing-comma.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/dflt-params-trailing-comma.js')
-rw-r--r--js/src/tests/test262/language/statements/function/dflt-params-trailing-comma.js61
1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/function/dflt-params-trailing-comma.js b/js/src/tests/test262/language/statements/function/dflt-params-trailing-comma.js
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index 0000000000..e0c766be90
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+++ b/js/src/tests/test262/language/statements/function/dflt-params-trailing-comma.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-trailing-comma.case
+// - src/function-forms/default/func-decl.template
+/*---
+description: A trailing comma should not increase the respective length, using default parameters (function declaration)
+esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
+flags: [generated]
+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.
+ [...]
+
+ Trailing comma in the parameters list
+
+ 14.1 Function Definitions
+
+ FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+var callCount = 0;
+// Stores a reference `ref` for case evaluation
+function ref(a, b = 39,) {
+ assert.sameValue(a, 42);
+ assert.sameValue(b, 39);
+ callCount = callCount + 1;
+}
+
+ref(42, undefined, 1);
+
+assert.sameValue(callCount, 1, 'function invoked exactly once');
+
+assert.sameValue(ref.length, 1, 'length is properly set');
+
+reportCompare(0, 0);