JavaScriptCore-7600.1.4.9.tar.gz

[apple/javascriptcore.git] / tests / stress / redundant-add-overflow-checks.js

diff --git a/tests/stress/redundant-add-overflow-checks.js b/tests/stress/redundant-add-overflow-checks.js
new file mode 100644 (file)
index 0000000..b435ff3
--- /dev/null
+++ b/tests/stress/redundant-add-overflow-checks.js
@@ -0,0 +1,18 @@
+function foo(x) {
+    return (x + 0) + (x + 1) + (x + 2) + (x + 3) + (x + 4) + (x + 5) + (x + 6) + (x + 7) + (x + 8) + (x + 9) + (x + 10);
+}
+
+noInline(foo);
+
+for (var i = 0; i < 100000; ++i) {
+    var result = foo(i);
+    if (result != i * 11 + 55)
+        throw "Error: bad result for i = " + i + ": " + result;
+}
+
+for (var i = 2147483628; i <= 2147483647; i++) {
+    var result = foo(i);
+    if (result != i * 11 + 55)
+        throw "Error: bad result for i = " + i + ": " + result;
+}
+