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Unified Diff: test/webkit/dfg-inline-function-dot-caller.js

Issue 18068003: Migrated several tests from blink to V8 repository. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 6 months ago
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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\"");
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