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diff --git a/js/src/tests/ecma_6/Math/20.2.2.ToNumber.js b/js/src/tests/ecma_6/Math/20.2.2.ToNumber.js
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index 000000000..de1f4e612
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+++ b/js/src/tests/ecma_6/Math/20.2.2.ToNumber.js
@@ -0,0 +1,112 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+/*
+ *   ECMA-262 6th Edition / Draft November 8, 2013
+ *
+ *   20.2.2 Function Properties of the Math Object
+ */
+
+/*
+ * This custom object will allow us to check if valueOf() is called
+ */
+
+TestNumber.prototype = new Number();
+
+function TestNumber(value) {
+    this.value = value;
+    this.valueOfCalled = false;
+}
+
+TestNumber.prototype = {
+    valueOf: function() {
+        this.valueOfCalled = true;
+        return this.value;
+    }
+}
+
+// Verify that each TestNumber's flag is set after calling Math func
+function test(func /*, args */) {
+    var args = Array.prototype.slice.call(arguments, 1);
+    func.apply(null, args);
+
+    for (var i = 0; i < args.length; ++i)
+        assertEq(args[i].valueOfCalled, true);
+}
+
+// Note that we are not testing these functions' return values
+// We only test whether valueOf() is called for each argument
+
+// 1. Test Math.atan2()
+var x = new TestNumber(1);
+test(Math.atan2, x);
+
+var x = new TestNumber(1);
+var y = new TestNumber(2);
+test(Math.atan2, y, x);
+
+// Remove comment block once patch for bug 896264 is approved
+/*
+// 2. Test Math.hypot()
+var x = new TestNumber(1);
+test(Math.hypot, x);
+
+var x = new TestNumber(1);
+var y = new TestNumber(2);
+test(Math.hypot, x, y);
+
+var x = new TestNumber(1);
+var y = new TestNumber(2);
+var z = new TestNumber(3);
+test(Math.hypot, x, y, z);
+*/
+
+// Remove comment block once patch for bug 808148 is approved
+/*
+// 3. Test Math.imul()
+var x = new TestNumber(1);
+test(Math.imul, x);
+
+var x = new TestNumber(1);
+var y = new TestNumber(2);
+test(Math.imul, x, y);
+*/
+
+// 4. Test Math.max()
+var x = new TestNumber(1);
+test(Math.max, x);
+
+var x = new TestNumber(1);
+var y = new TestNumber(2);
+test(Math.max, x, y);
+
+var x = new TestNumber(1);
+var y = new TestNumber(2);
+var z = new TestNumber(3);
+test(Math.max, x, y, z);
+
+// 5. Test Math.min()
+var x = new TestNumber(1);
+test(Math.min, x);
+
+var x = new TestNumber(1);
+var y = new TestNumber(2);
+test(Math.min, x, y);
+
+var x = new TestNumber(1);
+var y = new TestNumber(2);
+var z = new TestNumber(3);
+test(Math.min, x, y, z);
+
+// 6. Test Math.pow()
+var x = new TestNumber(1);
+test(Math.pow, x);
+
+var x = new TestNumber(1);
+var y = new TestNumber(2);
+test(Math.pow, x, y);
+
+reportCompare(0, 0, "ok");
+