JavaScriptCore-7600.1.4.9.tar.gz

[apple/javascriptcore.git] / tests / stress / redundant-array-bounds-checks.js

diff --git a/tests/stress/redundant-array-bounds-checks.js b/tests/stress/redundant-array-bounds-checks.js
new file mode 100644 (file)
index 0000000..df0c7cd
--- /dev/null
+++ b/tests/stress/redundant-array-bounds-checks.js
@@ -0,0 +1,46 @@
+function foo(a) {
+    return [a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7]];
+}
+
+noInline(foo);
+
+function arraycmp(a, b) {
+    if (a.length != b.length)
+        return false;
+    for (var i = 0; i < a.length; ++i) {
+        if (a[i] != b[i])
+            return false;
+    }
+    return true;
+}
+
+for (var i = 0; i < 100000; ++i) {
+    var result = foo([1, 2, 3, 4, 5, 6, 7, 8]);
+    if (!arraycmp(result, [1, 2, 3, 4, 5, 6, 7, 8]))
+        throw "Error: bad result (1..8): " + result;
+}
+
+var result = foo([1, 2, 3, 4, 5, 6, 7]);
+if (!arraycmp(result, [1, 2, 3, 4, 5, 6, 7, void 0]))
+    throw "Error: bad result (1..7): " + result;
+var result = foo([1, 2, 3, 4, 5, 6]);
+if (!arraycmp(result, [1, 2, 3, 4, 5, 6, void 0, void 0]))
+    throw "Error: bad result (1..6): " + result;
+var result = foo([1, 2, 3, 4, 5]);
+if (!arraycmp(result, [1, 2, 3, 4, 5, void 0, void 0, void 0]))
+    throw "Error: bad result (1..5): " + result;
+var result = foo([1, 2, 3, 4]);
+if (!arraycmp(result, [1, 2, 3, 4, void 0, void 0, void 0, void 0]))
+    throw "Error: bad result (1..4): " + result;
+var result = foo([1, 2, 3]);
+if (!arraycmp(result, [1, 2, 3, void 0, void 0, void 0, void 0, void 0]))
+    throw "Error: bad result (1..3): " + result;
+var result = foo([1, 2]);
+if (!arraycmp(result, [1, 2, void 0, void 0, void 0, void 0, void 0, void 0]))
+    throw "Error: bad result (1..2): " + result;
+var result = foo([1]);
+if (!arraycmp(result, [1, void 0, void 0, void 0, void 0, void 0, void 0, void 0]))
+    throw "Error: bad result (1..1): " + result;
+var result = foo([]);
+if (!arraycmp(result, [void 0, void 0, void 0, void 0, void 0, void 0, void 0, void 0]))
+    throw "Error: bad result (1..1): " + result;