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Diffstat (limited to 'dom/promise/tests/test_species_getter.html')
| -rw-r--r-- | dom/promise/tests/test_species_getter.html | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/dom/promise/tests/test_species_getter.html b/dom/promise/tests/test_species_getter.html new file mode 100644 index 000000000..04e590a13 --- /dev/null +++ b/dom/promise/tests/test_species_getter.html @@ -0,0 +1,24 @@ +<!DOCTYPE html> +<meta charset=utf-8> +<title>Test for ...</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<div id="log"></div> +<script> +test(function() { + var desc = Object.getOwnPropertyDescriptor(Promise, Symbol.species); + assert_not_equals(desc, undefined, "Should have a property"); + + assert_equals(desc.configurable, true, "Property should be configurable"); + assert_equals(desc.enumerable, false, "Property should not be enumerable"); + assert_equals(desc.set, undefined, "Should not have a setter"); + var getter = desc.get; + + var things = [undefined, null, 5, "xyz", Promise, Object]; + for (var thing of things) { + assert_equals(getter.call(thing), thing, + "Getter should return its this value"); + } + +}, "Promise should have an @@species getter that works per spec"); +</script> |