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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/collections/WeakMap-constructor-iterable.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/collections/WeakMap-constructor-iterable.js')
-rw-r--r-- | js/src/jit-test/tests/collections/WeakMap-constructor-iterable.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/WeakMap-constructor-iterable.js b/js/src/jit-test/tests/collections/WeakMap-constructor-iterable.js new file mode 100644 index 0000000000..f5eac8e30d --- /dev/null +++ b/js/src/jit-test/tests/collections/WeakMap-constructor-iterable.js @@ -0,0 +1,28 @@ +// The argument to WeakMap can be a iterable object. + +load(libdir + "iteration.js"); + +var k1 = {}; +var v1 = 42; +var k2 = {}; +var v2 = 43; +var k3 = {}; + +var done = false; + +var iterable = {}; +iterable[Symbol.iterator] = function*() { + yield [k1, v1]; + yield [k2, v2]; + done = true; +}; +var m = new WeakMap(iterable); + +assertEq(done, true); // the constructor consumes the argument +assertEq(m.has(k1), true); +assertEq(m.has(k2), true); +assertEq(m.has(k3), false); +assertEq(m.get(k1), v1); +assertEq(m.get(k2), v2); +assertEq(m.get(k3), undefined); + |