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-rw-r--r--js/src/tests/test262/language/statements/generators/forbidden-ext/b2/gen-func-decl-forbidden-ext-indirect-access-own-prop-caller-get.js64
1 files changed, 64 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/generators/forbidden-ext/b2/gen-func-decl-forbidden-ext-indirect-access-own-prop-caller-get.js b/js/src/tests/test262/language/statements/generators/forbidden-ext/b2/gen-func-decl-forbidden-ext-indirect-access-own-prop-caller-get.js
new file mode 100644
index 0000000000..f54bcc46e9
--- /dev/null
+++ b/js/src/tests/test262/language/statements/generators/forbidden-ext/b2/gen-func-decl-forbidden-ext-indirect-access-own-prop-caller-get.js
@@ -0,0 +1,64 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case
+// - src/function-forms/forbidden-extensions/bullet-two/gen-func-decl.template
+/*---
+description: Forbidden extension, o.caller (generator function declaration)
+esid: sec-generator-definitions-runtime-semantics-instantiatefunctionobject
+features: [generators]
+flags: [generated, noStrict]
+info: |
+ GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
+
+
+ If an implementation extends any function object with an own property named "caller" the value of
+ that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function
+ object. If it is an accessor property, the function that is the value of the property's [[Get]]
+ attribute must never return a strict function when called.
+
+---*/
+var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol();
+function inner() {
+ // This property may exist, but is forbidden from having a value that is a strict function object
+ return inner.hasOwnProperty("caller")
+ ? inner.caller
+ : CALLER_OWN_PROPERTY_DOES_NOT_EXIST;
+}
+
+var callCount = 0;
+function* f() {
+ "use strict";
+ // This and the following conditional value is set in the test's .case file.
+ // For every test that has a "true" value here, there is a
+ // corresponding test that has a "false" value here.
+ // They are generated from two different case files, which use
+ // the same templates.
+ let descriptor = Object.getOwnPropertyDescriptor(inner, "caller");
+ if (descriptor && descriptor.configurable && true) {
+ Object.defineProperty(inner, "caller", {get(){return 1}});
+ }
+ var result = inner();
+ if (descriptor && descriptor.configurable && true) {
+ assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.');
+ }
+
+ // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from
+ // forbidden-ext-indirect-access-prop-caller.case
+ //
+ // If the function object "inner" has an own property
+ // named "caller", then its value will be returned.
+ //
+ // If the function object "inner" DOES NOT have an
+ // own property named "caller", then the symbol
+ // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned.
+ if (result !== CALLER_OWN_PROPERTY_DOES_NOT_EXIST) {
+ assert.notSameValue(result, f);
+ }
+
+ callCount++;
+}
+
+f().next();
+
+assert.sameValue(callCount, 1, 'generator function body evaluated');
+
+reportCompare(0, 0);