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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/jit-test/tests/for-of/array-iterator-proxy.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 'js/src/jit-test/tests/for-of/array-iterator-proxy.js')
-rw-r--r-- | js/src/jit-test/tests/for-of/array-iterator-proxy.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/array-iterator-proxy.js b/js/src/jit-test/tests/for-of/array-iterator-proxy.js new file mode 100644 index 0000000000..f410b5fc66 --- /dev/null +++ b/js/src/jit-test/tests/for-of/array-iterator-proxy.js @@ -0,0 +1,47 @@ +// An array iterator for a proxy calls the traps in a predictable order. + +load(libdir + "asserts.js"); +load(libdir + "iteration.js"); + +var s = ''; + +var handler = { + get: function (recipient, name) { + if (name == 'length') { + s += 'L'; + return 2; + } else { + s += name; + return name; + } + } +}; + +var it = Array.prototype[Symbol.iterator].call(new Proxy([0, 1], handler)); + +assertIteratorNext(it, "0"); +s += ' '; +assertIteratorNext(it, "1"); +s += ' '; +assertIteratorDone(it, undefined); +assertEq(s, "L0 L1 L"); + +s = ''; +var ki = Array.prototype.keys.call(new Proxy([0, 1], handler)); + +assertIteratorNext(ki, 0); +s += ' '; +assertIteratorNext(ki, 1); +s += ' '; +assertIteratorDone(ki, undefined); +assertEq(s, "L L L"); + +s = ''; +var ei = Array.prototype.entries.call(new Proxy([0, 1], handler)); + +assertIteratorNext(ei, [0, "0"]); +s += ' '; +assertIteratorNext(ei, [1, "1"]); +s += ' '; +assertIteratorDone(ei, undefined); +assertEq(s, "L0 L1 L"); |