Index: test/webkit/dfg-inline-function-dot-caller.js |
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/dfg-inline-function-dot-caller.js |
similarity index 59% |
copy from test/webkit/concat-while-having-a-bad-time.js |
copy to test/webkit/dfg-inline-function-dot-caller.js |
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..c6dd2b249f7178034f4138d4035999499ea3b518 100644 |
--- a/test/webkit/concat-while-having-a-bad-time.js |
+++ b/test/webkit/dfg-inline-function-dot-caller.js |
@@ -22,10 +22,48 @@ |
// 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." |
+"Tests that DFG inlining does not brak function.arguments.caller." |
); |
-Object.defineProperty(Array.prototype, 0, { writable: false }); |
-shouldBe("[42].concat()", "[42]"); |
+var callCount = 0; |
+var resultArray = [] |
+ |
+function throwError() { |
+ throw {}; |
+} |
+var object = { |
+ nonInlineable : function nonInlineable() { |
+ if (0) return [arguments, function(){}]; |
+ if (++callCount == 999999) { |
+ var f = nonInlineable; |
+ while (f) { |
+ resultArray.push(f.name); |
+ f=f.arguments.callee.caller; |
+ } |
+ } |
+ }, |
+ inlineable : function inlineable() { |
+ this.nonInlineable(); |
+ } |
+} |
+function makeInlinableCall(o) { |
+ for (var i = 0; i < 1000; i++) |
+ o.inlineable(); |
+} |
+ |
+function g() { |
+ var j = 0; |
+ for (var i = 0; i < 1000; i++) { |
+ j++; |
+ makeInlinableCall(object); |
+ } |
+} |
+g(); |
+ |
+shouldBe("resultArray.length", "4"); |
+shouldBe("resultArray[3]", "\"g\""); |
+shouldBe("resultArray[2]", "\"makeInlinableCall\""); |
+shouldBe("resultArray[1]", "\"inlineable\""); |
+shouldBe("resultArray[0]", "\"nonInlineable\""); |