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Unified Diff: test/webkit/dfg-inline-arguments-out-of-bounds.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-arguments-out-of-bounds.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/dfg-inline-arguments-out-of-bounds.js
similarity index 71%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/dfg-inline-arguments-out-of-bounds.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..23b9184cacacfb4aa3c1bd5fc1dda6fd5c4f7349 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/dfg-inline-arguments-out-of-bounds.js
@@ -22,10 +22,32 @@
// 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 accessing arguments with an out-of-bounds index in an inlined function when the arguments have not been created but might be."
);
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+var p = false;
+function foo() {
+ if (p)
+ return arguments;
+ return arguments[0];
+}
+
+function bar() {
+ return foo();
+}
+
+var expected = "\"undefined\"";
+for (var i = 0; i < 3000; ++i) {
+ if (i == 1000) {
+ p = true;
+ expected = "\"[object Arguments]\"";
+ }
+ if (i == 2000) {
+ p = false;
+ expected = "\"undefined\"";
+ }
+ result = "" + bar();
+ shouldBe("result", expected);
+}

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