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-rw-r--r--test/mjsunit/sin-cos.js25
1 files changed, 15 insertions, 10 deletions
diff --git a/test/mjsunit/sin-cos.js b/test/mjsunit/sin-cos.js
index ae02451f..e38dfdf8 100644
--- a/test/mjsunit/sin-cos.js
+++ b/test/mjsunit/sin-cos.js
@@ -1,4 +1,4 @@
-// Copyright 2009 the V8 project authors. All rights reserved.
+// Copyright 2011 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
@@ -27,19 +27,24 @@
// Test Math.sin and Math.cos.
-var input_sin = [0, Math.PI / 2];
-var input_cos = [0, Math.PI];
+function sinTest() {
+ assertEquals(0, Math.sin(0));
+ assertEquals(1, Math.sin(Math.PI / 2));
+}
-var output_sin = input_sin.map(Math.sin);
-var output_cos = input_cos.map(Math.cos);
+function cosTest() {
+ assertEquals(1, Math.cos(0));
+ assertEquals(-1, Math.cos(Math.PI));
+}
-var expected_sin = [0, 1];
-var expected_cos = [1, -1];
-
-assertArrayEquals(expected_sin, output_sin, "sine");
-assertArrayEquals(expected_cos, output_cos, "cosine");
+sinTest();
+cosTest();
// By accident, the slow case for sine and cosine were both sine at
// some point. This is a regression test for that issue.
var x = Math.pow(2, 70);
assertTrue(Math.sin(x) != Math.cos(x));
+
+// Ensure that sine and log are not the same.
+x = 0.5;
+assertTrue(Math.sin(x) != Math.log(x));