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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/non262/strict/this-for-function-expression-recursion.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 '')
-rw-r--r-- | js/src/tests/non262/strict/this-for-function-expression-recursion.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/non262/strict/this-for-function-expression-recursion.js b/js/src/tests/non262/strict/this-for-function-expression-recursion.js new file mode 100644 index 0000000000..197b4646cf --- /dev/null +++ b/js/src/tests/non262/strict/this-for-function-expression-recursion.js @@ -0,0 +1,44 @@ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + +var gTestfile = 'this-for-function-expression-recursion.js'; +var BUGNUMBER = 611276; +var summary = "JSOP_CALLEE should push undefined, not null, for this"; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +// Calling a named function expression (not function statement) uses the +// JSOP_CALLEE opcode. This opcode pushes its own |this|, distinct from the +// normal call path; verify that that |this| value is properly |undefined|. + +var calleeThisFun = + function calleeThisFun(recurring) + { + if (recurring) + return this; + return calleeThisFun(true); + }; +assertEq(calleeThisFun(false), this); + +var calleeThisStrictFun = + function calleeThisStrictFun(recurring) + { + "use strict"; + if (recurring) + return this; + return calleeThisStrictFun(true); + }; +assertEq(calleeThisStrictFun(false), undefined); + +/******************************************************************************/ + +if (typeof reportCompare === "function") + reportCompare(true, true); + +print("All tests passed!"); |