Add corelib tests

test/codegen/corelib/string_replace_test.dart

Index: test/codegen/corelib/string_replace_test.dart
diff --git a/test/codegen/corelib/string_replace_test.dart b/test/codegen/corelib/string_replace_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..3e53efd32ccb015328ef923aba84a824335f319b
--- /dev/null
+++ b/test/codegen/corelib/string_replace_test.dart
@@ -0,0 +1,241 @@
+// Copyright (c) 2011, 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.
+
+import "package:expect/expect.dart";
+
+main() {
+  // Test replaceFirst.
+  Expect.equals(
+      "AtoBtoCDtoE", "AfromBtoCDtoE".replaceFirst("from", "to"));
+
+  // Test with the replaced string at the begining.
+  Expect.equals(
+      "toABtoCDtoE", "fromABtoCDtoE".replaceFirst("from", "to"));
+
+  // Test with the replaced string at the end.
+  Expect.equals(
+      "toABtoCDtoEto", "fromABtoCDtoEto".replaceFirst("from", "to"));
+
+  // Test when there are no occurence of the string to replace.
+  Expect.equals("ABC", "ABC".replaceFirst("from", "to"));
+
+  // Test when the string to change is the empty string.
+  Expect.equals("", "".replaceFirst("from", "to"));
+
+  // Test when the string to change is a substring of the string to
+  // replace.
+  Expect.equals("fro", "fro".replaceFirst("from", "to"));
+
+  // Test when the string to change is the replaced string.
+  Expect.equals("to", "from".replaceFirst("from", "to"));
+
+  // Test when the string to change is the replacement string.
+  Expect.equals("to", "to".replaceFirst("from", "to"));
+
+  // Test replacing by the empty string.
+  Expect.equals("", "from".replaceFirst("from", ""));
+  Expect.equals("AB", "AfromB".replaceFirst("from", ""));
+
+  // Test changing the empty string.
+  Expect.equals("to", "".replaceFirst("", "to"));
+
+  // Test replacing the empty string.
+  Expect.equals("toAtoBtoCto", "AtoBtoCto".replaceFirst("", "to"));
+
+  // Test startIndex.
+  Expect.equals(
+      "foo-AAA-foo-bar", "foo-bar-foo-bar".replaceFirst("bar", "AAA", 4));
+
+  // Test startIndex skipping one case at the begining.
+  Expect.equals(
+      "foo-bar-AAA-bar", "foo-bar-foo-bar".replaceFirst("foo", "AAA", 1));
+
+  // Test startIndex skipping one case at the begining.
+  Expect.equals(
+      "foo-bar-foo-AAA", "foo-bar-foo-bar".replaceFirst("bar", "AAA", 5));
+
+  // Test startIndex replacing with the empty string.
+  Expect.equals(
+      "foo-bar--bar", "foo-bar-foo-bar".replaceFirst("foo", "", 1));
+
+  // Test startIndex with a RegExp with carat
+  Expect.equals(
+      "foo-bar-foo-bar",
+      "foo-bar-foo-bar".replaceFirst(new RegExp(r"^foo"), "", 8));
+
+  // Test startIndex with a RegExp
+  Expect.equals(
+      "aaa{3}X{3}", "aaa{3}aaa{3}".replaceFirst(new RegExp(r"a{3}"), "X", 1));
+
+  // Test startIndex with regexp-looking String
+  Expect.equals(
+      "aaa{3}aaX", "aaa{3}aaa{3}".replaceFirst("a{3}", "X", 3));
+
+  // Test negative startIndex
+  Expect.throws(
+      () => "hello".replaceFirst("h", "X", -1), (e) => e is RangeError);
+
+  // Test startIndex too large
+  Expect.throws(
+      () => "hello".replaceFirst("h", "X", 6), (e) => e is RangeError);
+
+  // Test null startIndex
+  Expect.throws(
+      () => "hello".replaceFirst("h", "X", null), (e) => e is ArgumentError);
+
+  // Test object startIndex
+  Expect.throws(
+      () => "hello".replaceFirst("h", "X", new Object()));
+
+
+  // Test replaceFirstMapped.
+
+  Expect.equals(
+      "AtoBtoCDtoE", "AfromBtoCDtoE".replaceFirstMapped("from", (_) => "to"));
+
+  // Test with the replaced string at the begining.
+  Expect.equals(
+      "toABtoCDtoE", "fromABtoCDtoE".replaceFirstMapped("from", (_) => "to"));
+
+  // Test with the replaced string at the end.
+  Expect.equals(
+      "toABtoCDtoEto",
+      "fromABtoCDtoEto".replaceFirstMapped("from", (_) => "to"));
+
+  // Test when there are no occurence of the string to replace.
+  Expect.equals("ABC", "ABC".replaceFirstMapped("from", (_) => "to"));
+
+  // Test when the string to change is the empty string.
+  Expect.equals("", "".replaceFirstMapped("from", (_) => "to"));
+
+  // Test when the string to change is a substring of the string to
+  // replace.
+  Expect.equals("fro", "fro".replaceFirstMapped("from", (_) => "to"));
+
+  // Test when the string to change is the replaced string.
+  Expect.equals("to", "from".replaceFirstMapped("from", (_) => "to"));
+
+  // Test when the string to change is the replacement string.
+  Expect.equals("to", "to".replaceFirstMapped("from", (_) => "to"));
+
+  // Test replacing by the empty string.
+  Expect.equals("", "from".replaceFirstMapped("from", (_) => ""));
+  Expect.equals("AB", "AfromB".replaceFirstMapped("from", (_) => ""));
+
+  // Test changing the empty string.
+  Expect.equals("to", "".replaceFirstMapped("", (_) => "to"));
+
+  // Test replacing the empty string.
+  Expect.equals("toAtoBtoCto", "AtoBtoCto".replaceFirstMapped("", (_) => "to"));
+
+  // Test startIndex.
+  Expect.equals(
+      "foo-AAA-foo-bar",
+      "foo-bar-foo-bar".replaceFirstMapped("bar", (_) => "AAA", 4));
+
+  // Test startIndex skipping one case at the begining.
+  Expect.equals(
+      "foo-bar-AAA-bar",
+      "foo-bar-foo-bar".replaceFirstMapped("foo", (_) => "AAA", 1));
+
+  // Test startIndex skipping one case at the begining.
+  Expect.equals(
+      "foo-bar-foo-AAA",
+      "foo-bar-foo-bar".replaceFirstMapped("bar", (_) => "AAA", 5));
+
+  // Test startIndex replacing with the empty string.
+  Expect.equals(
+      "foo-bar--bar", "foo-bar-foo-bar".replaceFirstMapped("foo", (_) => "", 1));
+
+  // Test startIndex with a RegExp with carat
+  Expect.equals(
+      "foo-bar-foo-bar",
+      "foo-bar-foo-bar".replaceFirstMapped(new RegExp(r"^foo"), (_) => "", 8));
+
+  // Test startIndex with a RegExp
+  Expect.equals(
+      "aaa{3}X{3}",
+      "aaa{3}aaa{3}".replaceFirstMapped(new RegExp(r"a{3}"), (_) => "X", 1));
+
+  // Test startIndex with regexp-looking String
+  Expect.equals(
+      "aaa{3}aaX", "aaa{3}aaa{3}".replaceFirstMapped("a{3}", (_) => "X", 3));
+
+  // Test negative startIndex
+  Expect.throws(
+      () => "hello".replaceFirstMapped("h", (_) => "X", -1),
+      (e) => e is RangeError);
+
+  // Test startIndex too large
+  Expect.throws(
+      () => "hello".replaceFirstMapped("h", (_) => "X", 6),
+      (e) => e is RangeError);
+
+  // Test null startIndex
+  Expect.throws(
+      () => "hello".replaceFirstMapped("h", (_) => "X", null),
+      (e) => e is ArgumentError);
+
+  // Test object startIndex
+  Expect.throws(
+      () => "hello".replaceFirstMapped("h", (_) => "X", new Object()));
+
+  // Test replacement depending on argument.
+  Expect.equals(
+      "foo-BAR-foo-bar",
+      "foo-bar-foo-bar".replaceFirstMapped("bar", (v) => v[0].toUpperCase()));
+
+  Expect.equals(
+      "foo-[bar]-foo-bar",
+      "foo-bar-foo-bar".replaceFirstMapped("bar", (v) => "[${v[0]}]"));
+
+  Expect.equals("foo-foo-bar-foo-bar-foo-bar",
+                "foo-bar-foo-bar".replaceFirstMapped("bar", (v) => v.input));
+
+  // Test replacement throwing.
+  Expect.throws(
+    () => "foo-bar".replaceFirstMapped("bar", (v) => throw 42),
+    (e) => e == 42);
+
+  // Test replacement returning non-String.
+  var o = new Object();
+  Expect.equals("foo-$o", "foo-bar".replaceFirstMapped("bar",
+                                                       (v) { return o; }));
+
+  Expect.equals("foo-42", "foo-bar".replaceFirstMapped("bar",
+                                                       (v) { return 42; }));
+
+  // Test replacement returning object throwing on string-conversion.
+  var n = new Naughty();
+  Expect.throws(
+    () => "foo-bar".replaceFirstMapped("bar", (v) { return n; }));
+
+  for (var string in ["", "x", "foo", "x\u2000z"]) {
+    for (var replacement in ["", "foo", string]) {
+      for (int start = 0; start <= string.length; start++) {
+        var expect;
+        for (int end = start; end <= string.length; end++) {
+          expect = string.substring(0, start) +
+                   replacement +
+                   string.substring(end);
+          Expect.equals(expect, string.replaceRange(start, end, replacement),
+                        '"$string"[$start:$end]="$replacement"');
+        }
+        // Reuse expect from "end == string.length" case when omitting end.
+        Expect.equals(expect, string.replaceRange(start, null, replacement),
+                      '"$string"[$start:]="$replacement"');
+      }
+    }
+    Expect.throws(() => string.replaceRange(0, 0, null));
+    Expect.throws(() => string.replaceRange(0, 0, 42));
+    Expect.throws(() => string.replaceRange(0, 0, ["x"]));
+    Expect.throws(() => string.replaceRange(-1, 0, "x"));
+    Expect.throws(() => string.replaceRange(0, string.length + 1, "x"));
+  }
+}
+
+// Fails to return a String on toString, throws if converted by "$naughty".
+class Naughty {
+  toString() => this;
+}