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Unified Diff: test/mjsunit/asm/math-floor.js

Issue 677433002: Add floor, ceil, round (truncate) instructions for ia32, x64 (if SSE4.1) and (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Address changes and fix compilation on mac. Created 6 years, 2 months ago
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Index: test/mjsunit/asm/math-floor.js
diff --git a/test/mjsunit/asm/math-floor.js b/test/mjsunit/asm/math-floor.js
new file mode 100644
index 0000000000000000000000000000000000000000..e8c3f341bbd7998849a6c10c60185cfa9d8904b6
--- /dev/null
+++ b/test/mjsunit/asm/math-floor.js
@@ -0,0 +1,38 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+function Module(stdlib) {
+ "use asm";
+
+ var floor = stdlib.Math.floor;
+
+ // f: double -> float
+ function f(a) {
+ a = +a;
+ return floor(a);
+ }
+
+ return { f: f };
+}
+
+var f = Module({ Math: Math }).f;
+
+assertTrue(isNaN(f(NaN)));
+assertTrue(isNaN(f(undefined)));
+assertTrue(isNaN(f(function() {})));
+
+assertEquals(0, f(0));
+assertEquals(+0, f(+0));
+assertEquals(-0, f(-0));
+assertEquals(0, f(0.49999));
+assertEquals(+0, f(0.6));
+assertEquals(+0, f(0.5));
+assertEquals(-1, f(-0.1));
+assertEquals(-1, f(-0.5));
+assertEquals(-1, f(-0.6));
+assertEquals(-2, f(-1.6));
+assertEquals(-1, f(-0.50001));
+
+assertEquals("Infinity", String(f(Infinity)));
+assertEquals("-Infinity", String(f(-Infinity)));
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