1 files changed, 56 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/map-species.js b/js/src/tests/non262/TypedArray/map-species.js
new file mode 100644
index 0000000000..8353d914bd
--- /dev/null
+++ b/js/src/tests/non262/TypedArray/map-species.js
@@ -0,0 +1,56 @@
+function test(constructor, constructor2, from=[1, 2, 3, 4, 5], to=[2, 4, 6, 8, 10]) {
+    var modifiedConstructor = new constructor(from);
+    modifiedConstructor.constructor = constructor2;
+    assertDeepEq(modifiedConstructor.map(x => x * 2), new constructor2(to));
+    var modifiedSpecies = new constructor(from);
+    modifiedSpecies.constructor = { [Symbol.species]: constructor2 };
+    assertDeepEq(modifiedSpecies.map(x => x * 2), new constructor2(to));
+}
+
+// same size, same sign
+
+test(Int8Array, Uint8Array);
+test(Int8Array, Uint8ClampedArray);
+
+test(Uint8Array, Int8Array);
+test(Uint8Array, Uint8ClampedArray);
+
+test(Uint8ClampedArray, Int8Array);
+test(Uint8ClampedArray, Uint8Array);
+
+test(Int16Array, Uint16Array);
+test(Uint16Array, Int16Array);
+
+test(Int32Array, Uint32Array);
+test(Uint32Array, Int32Array);
+
+// same size, different sign
+
+test(Int8Array, Uint8Array, [-1, -2, -3, -4, -5], [0xFE, 0xFC, 0xFA, 0xF8, 0xF6]);
+test(Int8Array, Uint8ClampedArray, [-1, -2, -3, -4, -5], [0, 0, 0, 0, 0]);
+
+test(Uint8Array, Int8Array, [0xFF, 0xFE, 0xFD, 0xFC, 0xFB], [-2, -4, -6, -8, -10]);
+test(Uint8ClampedArray, Int8Array, [0xFF, 0xFE, 0xFD, 0xFC, 0xFB], [-2, -4, -6, -8, -10]);
+
+test(Int16Array, Uint16Array, [-1, -2, -3, -4, -5], [0xFFFE, 0xFFFC, 0xFFFA, 0xFFF8, 0xFFF6]);
+test(Uint16Array, Int16Array, [0xFFFF, 0xFFFE, 0xFFFD, 0xFFFC, 0xFFFB], [-2, -4, -6, -8, -10]);
+
+test(Int32Array, Uint32Array, [-1, -2, -3, -4, -5], [0xFFFFFFFE, 0xFFFFFFFC, 0xFFFFFFFA, 0xFFFFFFF8, 0xFFFFFFF6]);
+test(Uint32Array, Int32Array, [0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFD, 0xFFFFFFFC, 0xFFFFFFFB], [-2, -4, -6, -8, -10]);
+
+// different size
+
+test(Uint8Array, Uint16Array);
+test(Uint16Array, Uint8Array);
+
+test(Uint8Array, Uint32Array);
+test(Uint32Array, Uint8Array);
+
+test(Uint16Array, Uint32Array);
+test(Uint32Array, Uint16Array);
+
+test(Float32Array, Float64Array);
+test(Float64Array, Float32Array);
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);