Inline native String.charCodeAt in optimized code.

tests/language/optimized_constant_array_string_access.dart

Index: tests/language/optimized_constant_array_string_access.dart
===================================================================
--- tests/language/optimized_constant_array_string_access.dart	(revision 0)
+++ tests/language/optimized_constant_array_string_access.dart	(revision 0)
@@ -0,0 +1,47 @@
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Test optimized constant string and constant array access.
+
+int testConstantStringAndIndexCharCodeAt() {
+  int test(b) {
+    if (b) return "hest".charCodeAt(400);
+    return "hest".charCodeAt(2);
+  }
+
+  try {
+    test(true);
+  } catch(e) { }

[srdjan, 2012/11/01 20:32:18]

You may want to use Expect.throws instead.

[Florian Schneider, 2012/11/01 22:58:56]

Done.

+  for (int i = 0; i < 10000; i++) test(false);
+  try {
+    return test(true);

[srdjan, 2012/11/01 20:32:18]

ditto and below

[Florian Schneider, 2012/11/01 22:58:56]

Done.

+  } catch (e) {
+    return -12345;
+  }
+}
+
+
+int testConstantArrayAndIndexAt() {
+  int test(b) {
+    var a = const [1,2,3,4];
+    if (b) return a[400];
+    return a[2];
+  }
+
+  try {
+    test(true);
+  } catch(e) { }
+  for (int i = 0; i < 10000; i++) test(false);
+  try {
+    return test(true);
+  } catch (e) {
+    return -12345;
+  }
+}
+
+
+main() {
+  Expect.equals(-12345, testConstantStringAndIndexCharCodeAt());
+  Expect.equals(-12345, testConstantArrayAndIndexAt());
+}