1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/toLength.js b/js/src/tests/non262/extensions/toLength.js
new file mode 100644
index 0000000000..f2216e7b9c
--- /dev/null
+++ b/js/src/tests/non262/extensions/toLength.js
@@ -0,0 +1,41 @@
+// |reftest| skip-if(!xulRuntime.shell)
+var BUGNUMBER = 1040196;
+var summary = 'ToLength';
+
+print(BUGNUMBER + ": " + summary);
+
+var ToLength = getSelfHostedValue('ToLength');
+
+// Negative operands
+assertEq(ToLength(-0), 0);
+assertEq(ToLength(-1), 0);
+assertEq(ToLength(-2), 0);
+assertEq(ToLength(-1 * Math.pow(2, 56)), 0);
+assertEq(ToLength(-1 * Math.pow(2, 56) - 2), 0);
+assertEq(ToLength(-1 * Math.pow(2, 56) - 2.4444), 0);
+assertEq(ToLength(-Infinity), 0);
+
+// Small non-negative operands
+assertEq(ToLength(0), 0);
+assertEq(ToLength(1), 1);
+assertEq(ToLength(2), 2);
+assertEq(ToLength(3.3), 3);
+assertEq(ToLength(10/3), 3);
+
+// Large non-negative operands
+var maxLength = Math.pow(2, 53) - 1;
+assertEq(ToLength(maxLength - 1), maxLength - 1);
+assertEq(ToLength(maxLength - 0.0000001), maxLength);
+assertEq(ToLength(maxLength), maxLength);
+assertEq(ToLength(maxLength + 0.00000000000001), maxLength);
+assertEq(ToLength(maxLength + 1), maxLength);
+assertEq(ToLength(maxLength + 2), maxLength);
+assertEq(ToLength(Math.pow(2,54)), maxLength);
+assertEq(ToLength(Math.pow(2,64)), maxLength);
+assertEq(ToLength(Infinity), maxLength);
+
+// NaN operand
+assertEq(ToLength(NaN), 0);
+
+
+reportCompare(0, 0, "ok");