Migrate more tests from blink repository.

test/webkit/fast/js/deep-recursion-test.js

Index: test/webkit/fast/js/deep-recursion-test.js
diff --git a/test/webkit/stack-overflow-catch.js b/test/webkit/fast/js/deep-recursion-test.js
similarity index 53%
copy from test/webkit/stack-overflow-catch.js
copy to test/webkit/fast/js/deep-recursion-test.js
index 440148eb659f0792d0df86620a83630aa3253108..59df2f1c9ad72b4fc13dd6822299e1f4558b32d1 100644
--- a/test/webkit/stack-overflow-catch.js
+++ b/test/webkit/fast/js/deep-recursion-test.js
@@ -21,56 +21,58 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-description('Test that when the stack overflows, the exception goes to the last frame before the overflow');
+description("This test how deep we can recurse, and that we get an exception when we do, as opposed to a stack overflow.");
 
-var level = 0;
-var stackLevel = 0;
-var gotWrongCatch = false;
-
-function test1()
-{
-    var myLevel = level;
-    var dummy;
+    function simpleRecursion(depth) {
+        if (depth)
+            simpleRecursion(depth - 1);
+    }
 
     try {
-        level = level + 1;
-        // Dummy code to make this funciton different from test2()
-        dummy = level * level + 1;
-        if (dummy == 0)
-            debug('Should never get here!!!!');
-    } catch(err) {
-        gotWrongCatch = true;
+        simpleRecursion(17472);
+    } catch (ex) {
+        debug("FAIL: " + ex);
     }
 
     try {
-        test2();
-    } catch(err) {
-        stackLevel = myLevel;
+        simpleRecursion(10000000);
+    } catch (ex) {
+        var msg = String(eval(ex));
+        shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
     }
-}
 
-function test2()
-{
-    var myLevel = level;
+    try {
+        simpleRecursion(1000000000);
+    } catch (ex) {
+        var msg = String(eval(ex));
+        shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
+    }
 
-    // Dummy code to make this funciton different from test1()
-    if (gotWrongCatch)
-        debug('Should never get here!!!!');
+    var tooFewArgsDepth = 0;
 
-    try {
-        level = level + 1;
-    } catch(err) {
-        gotWrongCatch = true;
+    function tooFewArgsRecursion(a) {
+        if (tooFewArgsDepth) {
+            tooFewArgsDepth--;
+            tooFewArgsRecursion();
+        }
     }
 
     try {
-        test1();
-    } catch(err) {
-        stackLevel = myLevel;
+        tooFewArgsDepth = 10000000;
+        tooFewArgsRecursion();
+    } catch (ex) {
+        var msg = String(eval(ex));
+        shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
     }
-}
 
-test1();
+    function tooManyArgsRecursion(depth) {
+        if (depth)
+            tooManyArgsRecursion(depth - 1, 1);
+    }
 
-shouldBeFalse("gotWrongCatch");
-shouldBe("(stackLevel)", "(level - 1)");
+    try {
+        tooManyArgsRecursion(10000000, 1);
+    } catch (ex) {
+        var msg = String(eval(ex));
+        shouldBe("msg", "'RangeError: Maximum call stack size exceeded.'");
+    }