Version 3.2.6

test/mjsunit/regress/regress-1278.js

Index: test/mjsunit/regress/regress-1278.js
diff --git a/test/cctest/test-mips.cc b/test/mjsunit/regress/regress-1278.js
similarity index 64%
rename from test/cctest/test-mips.cc
rename to test/mjsunit/regress/regress-1278.js
index efd4cc975df193710e57ffaa1b9435592e2498c8..7ad8cda7250986b7eb6c2bd7602b13a8253efc81 100644
--- a/test/cctest/test-mips.cc
+++ b/test/mjsunit/regress/regress-1278.js
@@ -25,28 +25,45 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+// See: http://code.google.com/p/v8/issues/detail?id=1278
 
-#include "v8.h"
-#include "execution.h"
+// Test that that handling of 0/-0 is correct for binary operations when the
+// TypeRecordingBinaryOpStub transitions through different states.
 
-#include "cctest.h"
+function add(x, y) {
+  return x + y;
+}
+
+function sub(x, y) {
+  return x - y;
+}
 
-using ::v8::Local;
-using ::v8::String;
-using ::v8::Script;
+function mul(x, y) {
+  return x * y;
+}
+
+function div(x, y) {
+  return x / y;
+}
 
-namespace i = ::v8::internal;
+for (var i = 0; i < 10; i++) {
+  assertEquals(0, add(0, 0));
+  assertEquals(0, add(0, -0));
+  assertEquals(0, add(-0, 0));
+  assertEquals(-0, add(-0, -0));
 
-TEST(MIPSFunctionCalls) {
-  // Disable compilation of natives.
-  i::FLAG_disable_native_files = true;
-  i::FLAG_full_compiler = false;
+  assertEquals(0, sub(0, 0));
+  assertEquals(0, sub(0, -0));
+  assertEquals(-0, sub(-0, 0));
+  assertEquals(0, sub(-0, -0));
 
-  v8::HandleScope scope;
-  LocalContext env;  // from cctest.h
+  assertEquals(0, mul(0, 0));
+  assertEquals(-0, mul(0, -0));
+  assertEquals(-0, mul(-0, 0));
+  assertEquals(0, mul(-0, -0));
 
-  const char* c_source = "function foo() { return 0x1234; }; foo();";
-  Local<String> source = ::v8::String::New(c_source);
-  Local<Script> script = ::v8::Script::Compile(source);
-  CHECK_EQ(0x1234,  script->Run()->Int32Value());
+  assertEquals(0, div(0, 1));
+  assertEquals(-0, div(0, -1));
+  assertEquals(-0, div(-0, 1));
+  assertEquals(0, div(-0, -1));
 }