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-rw-r--r--js/src/jit-test/tests/collections/Map-constructor-5.js15
1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-constructor-5.js b/js/src/jit-test/tests/collections/Map-constructor-5.js
new file mode 100644
index 000000000..98d1a03ba
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Map-constructor-5.js
@@ -0,0 +1,15 @@
+// new Map(arr) throws if arr contains holes (or undefined values).
+
+load(libdir + "asserts.js");
+assertThrowsInstanceOf(function () { new Map([undefined]); }, TypeError);
+assertThrowsInstanceOf(function () { new Map([null]); }, TypeError);
+assertThrowsInstanceOf(function () { new Map([[0, 0], [1, 1], , [3, 3]]); }, TypeError);
+assertThrowsInstanceOf(function () { new Map([[0, 0], [1, 1], ,]); }, TypeError);
+
+// new Map(iterable) throws if iterable doesn't have array-like objects
+
+assertThrowsInstanceOf(function () { new Map([1, 2, 3]); }, TypeError);
+assertThrowsInstanceOf(function () {
+ let s = new Set([1, 2, "abc"]);
+ new Map(s);
+}, TypeError);