1 files changed, 95 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/set-tointeger.js b/js/src/tests/non262/TypedArray/set-tointeger.js
new file mode 100644
index 0000000000..8c1e9c2418
--- /dev/null
+++ b/js/src/tests/non262/TypedArray/set-tointeger.js
@@ -0,0 +1,95 @@
+// Test ToInteger conversion in %TypedArray%.prototype.set(array|typedArray, offset).
+
+let ta = new Int32Array(4);
+
+// %TypedArray%.prototype.set has two different implementations for typed array
+// and non-typed array arguments. Test with both input types.
+let emptySources = [[], new Int32Array(0)];
+let nonEmptySource = [[0], new Int32Array(1)];
+let sources = [...emptySources, ...nonEmptySource];
+
+// Test when ToInteger(offset) is in (-1, 4).
+let validOffsets = [
+    // Values in [+0, 4).
+    0,
+    0.1,
+    3,
+    3.9,
+
+    // Values in (-1, -0].
+    -0,
+    -0.1,
+    -0.9,
+
+    NaN,
+
+    // Also include some non-number values.
+    undefined,
+    null,
+    true,
+    "",
+    "3",
+    "  1\t\n",
+    "some string",
+    {valueOf() { return 2; }},
+];
+
+for (let offset of validOffsets) {
+    for (let source of sources) {
+        ta.set(source, offset);
+    }
+}
+
+// Test when ToInteger(offset) isn't in (-1, 4).
+let invalidOffsets = [
+    // Values exceeding the typed array's length.
+    5,
+    2147483647,
+    2147483648,
+    2147483649,
+    4294967295,
+    4294967296,
+    4294967297,
+    Infinity,
+
+    // Negative values.
+    -1,
+    -1.1,
+    -2147483647,
+    -2147483648,
+    -2147483649,
+    -4294967295,
+    -4294967296,
+    -4294967297,
+    -Infinity,
+
+    // Also include some non-number values.
+    "8",
+    "Infinity",
+    "  Infinity  ",
+    {valueOf() { return 10; }},
+];
+
+for (let offset of invalidOffsets) {
+    for (let source of sources) {
+        assertThrowsInstanceOf(() => ta.set(source, offset), RangeError);
+    }
+}
+
+// Test when ToInteger(offset) is in [4, 5).
+for (let source of emptySources) {
+    ta.set(source, 4);
+    ta.set(source, 4.9);
+}
+for (let source of nonEmptySource) {
+    assertThrowsInstanceOf(() => ta.set(source, 4), RangeError);
+    assertThrowsInstanceOf(() => ta.set(source, 4.9), RangeError);
+}
+
+// ToInteger(symbol value) throws a TypeError.
+for (let source of sources) {
+    assertThrowsInstanceOf(() => ta.set(source, Symbol()), TypeError);
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);