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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/for-of/semantics-11.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/for-of/semantics-11.js')
-rw-r--r-- | js/src/jit-test/tests/for-of/semantics-11.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/semantics-11.js b/js/src/jit-test/tests/for-of/semantics-11.js new file mode 100644 index 0000000000..f806478bef --- /dev/null +++ b/js/src/jit-test/tests/for-of/semantics-11.js @@ -0,0 +1,43 @@ +// for-of on a proxy causes a predictable sequence of trap calls. + +load(libdir + "iteration.js"); + +var s = ''; + +var i = 0; +var next_fn = new Proxy(function() {}, { + apply() { + s += "n"; + if (i == 3) + return { value: undefined, done: true }; + return { value: i++, done: false }; + } +}); + +var it = new Proxy({}, { + get(target, property, receiver) { + assertEq(property, "next"); + s += "N"; + return next_fn; + } +}); + +var iterator_fn = new Proxy(function() {}, { + apply() { + s += 'i'; + return it; + } +}); + +var obj = new Proxy({}, { + get: function (receiver, name) { + assertEq(name, Symbol.iterator); + s += "I"; + return iterator_fn; + } +}); + +for (var v of obj) + s += v; + +assertEq(s, 'IiNn0n1n2n'); |