Upload Kmake

deps/v8/test/mjsunit/compiler/string-slice.js

@@ -0,0 +1,35 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+(function() {
+  function foo(s) { return s.slice(-1); }
+
+  %PrepareFunctionForOptimization(foo);
+  assertEquals('', foo(''));
+  assertEquals('a', foo('a'));
+  assertEquals('b', foo('ab'));
+  assertEquals('c', foo('abc'));
+  %OptimizeFunctionOnNextCall(foo);
+  assertEquals('', foo(''));
+  assertEquals('a', foo('a'));
+  assertEquals('b', foo('ab'));
+  assertEquals('c', foo('abc'));
+})();
+
+(function() {
+  function foo(s) { return s.slice(-1, undefined); }
+
+  %PrepareFunctionForOptimization(foo);
+  assertEquals('', foo(''));
+  assertEquals('a', foo('a'));
+  assertEquals('b', foo('ab'));
+  assertEquals('c', foo('abc'));
+  %OptimizeFunctionOnNextCall(foo);
+  assertEquals('', foo(''));
+  assertEquals('a', foo('a'));
+  assertEquals('b', foo('ab'));
+  assertEquals('c', foo('abc'));
+})();