summaryrefslogtreecommitdiffstats
path: root/dom/promise/tests/test_species_getter.html
diff options
context:
space:
mode:
Diffstat (limited to 'dom/promise/tests/test_species_getter.html')
-rw-r--r--dom/promise/tests/test_species_getter.html24
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>