Migrated several tests from blink to V8 repository.

test/webkit/boolean-argument-prediction.js

Index: test/webkit/boolean-argument-prediction.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/boolean-argument-prediction.js
similarity index 52%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/boolean-argument-prediction.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..ac0c61528234d9b3afbf01ef657eadfc86813842 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/boolean-argument-prediction.js
@@ -22,10 +22,47 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 description(
-"Tests the behavior of Array.prototype.concat while the array is having a bad time due to one of the elements we are concatenating."
+"This tests that arguments predicted to be boolean are checked."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+function predictBooleanArgument(b) {
+    if (b) {
+        return "yes";
+    } else {
+        return "no";
+    }
+}
 
+shouldBe("predictBooleanArgument(true)", "\"yes\"");
+shouldBe("predictBooleanArgument(false)", "\"no\"");
 
+for (var i = 0; i < 1000; ++i) {
+    predictBooleanArgument(true);
+    predictBooleanArgument(false);
+}
+
+shouldBe("predictBooleanArgument(true)", "\"yes\"");
+shouldBe("predictBooleanArgument(false)", "\"no\"");
+
+shouldBe("predictBooleanArgument(0)", "\"no\"");
+shouldBe("predictBooleanArgument(1)", "\"yes\"");
+shouldBe("predictBooleanArgument(2)", "\"yes\"");
+shouldBe("predictBooleanArgument(3)", "\"yes\"");
+shouldBe("predictBooleanArgument(4)", "\"yes\"");
+
+for (var i = 0; i < 1000; ++i) {
+    predictBooleanArgument(0);
+    predictBooleanArgument(1);
+    predictBooleanArgument(2);
+    predictBooleanArgument(3);
+    predictBooleanArgument(4);
+}
+
+shouldBe("predictBooleanArgument(true)", "\"yes\"");
+shouldBe("predictBooleanArgument(false)", "\"no\"");
+
+shouldBe("predictBooleanArgument(0)", "\"no\"");
+shouldBe("predictBooleanArgument(1)", "\"yes\"");
+shouldBe("predictBooleanArgument(2)", "\"yes\"");
+shouldBe("predictBooleanArgument(3)", "\"yes\"");
+shouldBe("predictBooleanArgument(4)", "\"yes\"");