Fixing mozilla test failures regarding Math.pow.

test/mjsunit/math-pow.js

Index: test/mjsunit/math-pow.js
diff --git a/test/mjsunit/math-pow.js b/test/mjsunit/math-pow.js
index 96d4eb4fdd0aff7c043da5b66d9d94d48dc8c965..e2b2c78613af99c2e95105ada8b86a29354858c5 100644
--- a/test/mjsunit/math-pow.js
+++ b/test/mjsunit/math-pow.js
@@ -140,6 +140,20 @@ function test() {
   assertEquals(NaN, Math.pow(-16, 0.5));
   assertEquals(0.25, Math.pow(16, -0.5));
   assertEquals(NaN, Math.pow(-16, -0.5));
+  
+  // Tests from Mozilla 15.8.2.13.
+  assertEquals(2, Math.pow.length);
+  assertEquals(NaN, Math.pow());
+  assertEquals(1, Math.pow(null, null));
+  assertEquals(NaN, Math.pow(void 0, void 0));
+  assertEquals(1, Math.pow(true, false));
+  assertEquals(0, Math.pow(false, true));
+  assertEquals(Infinity, Math.pow(-Infinity, Infinity));
+  assertEquals(0, Math.pow(-Infinity, -Infinity));
+  assertEquals(1, Math.pow(0, 0));
+  assertEquals(0, Math.pow(0, Infinity));
+  assertEquals(NaN, Math.pow(NaN, 0.5));
+  assertEquals(NaN, Math.pow(NaN, -0.5));
 
   // Tests from Sputnik S8.5_A13_T1.
   assertTrue(