Merge the dart:uri library into dart:core and update the Uri class

tests/corelib/uri_query_test.dart

+// Copyright (c) 2013, 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";
+
+void testInvalidArguments() {
+}
+
+void testEncodeQueryComponent() {
+  // This exact data is from posting a form in Chrome 26 with the one
+  // exception that * is encoded as %30 and ~ is not encoded as %7E.
+  Expect.equals(
+      "%21%22%23%24%25%26%27%28%29%2A%2B%2C-.%2F%"
+      "3A%3B%3C%3D%3E%3F%40%5B%5C%5D%5E_%60%7B%7C%7D~",
+      Uri.encodeQueryComponent("!\"#\$%&'()*+,-./:;<=>?@[\\]^_`{|}~"));
+  Expect.equals("+%2B+", Uri.encodeQueryComponent(" + "));
+  Expect.equals("%2B+%2B", Uri.encodeQueryComponent("+ +"));
+}
+
+void testQueryParameters() {
+  test(String query, Map<String, String> parameters) {
+    check(uri) {
+      Expect.equals(query, uri.query);
+      if (query.isEmpty) {
+        Expect.equals(query, uri.toString());
+      } else {
+        Expect.equals("?$query", uri.toString());
+      }
+      if (parameters.containsValue(null)) {
+      } else {
+        Expect.mapEquals(parameters, uri.queryParameters);
+      }
+    }
+
+    var uri1 = new Uri(queryParameters: parameters);
+    var uri2 = new Uri(query: query);
+    var uri3 = Uri.parse("?$query");
+    check(uri1);
+    check(uri2);
+    check(uri3);
+    Expect.equals(uri1, uri3);
+    Expect.equals(uri2, uri3);
+  }
+
+  test("", {});
+  test("A", {"A": null});
+  test("A", {"A": ""});
+  test("A=a", {"A": "a"});
+  test("A=+", {"A": " "});
+  test("A=%2B", {"A": "+"});
+  test("A=a&B", {"A": "a", "B": null});
+  test("A=a&B", {"A": "a", "B": ""});
+  test("A=a&B=b", {"A": "a", "B": "b"});
+
+  var unreserved = "-._~0123456789"
+                   "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                   "abcdefghijklmnopqrstuvwxyz";
+  var encoded = new StringBuffer();
+  var unencoded = new StringBuffer();
+  for (int i = 32; i < 128; i++) {
+    if (i == 32) {
+      encoded.write("+");
+    } else if (unreserved.indexOf(new String.fromCharCode(i)) != -1) {
+      encoded.writeCharCode(i);
+    } else {
+      encoded.write("%");
+      encoded.write(i.toRadixString(16).toUpperCase());
+    }
+    unencoded.writeCharCode(i);
+  }
+  encoded = encoded.toString();
+  unencoded = unencoded.toString();
+  print(encoded);
+  print(unencoded);
+  test("a=$encoded", {"a": unencoded});
+  test("a=$encoded&b=$encoded", {"a": unencoded, "b": unencoded});
+
+  var map = new Map();
+  map[unencoded] = unencoded;
+  test("$encoded=$encoded", map);
+}
+
+testInvalidQueryParameters() {
+  test(String query, Map<String, String> parameters) {
+    check(uri) {
+      Expect.equals(query, uri.query);
+      if (query.isEmpty) {
+        Expect.equals(query, uri.toString());
+      } else {
+        Expect.equals("?$query", uri.toString());
+      }
+      if (parameters.containsValue(null)) {
+      } else {
+        Expect.mapEquals(parameters, uri.queryParameters);
+      }
+    }
+
+    var uri1 = new Uri(query: query);
+    var uri2 = Uri.parse("?$query");
+    check(uri1);
+    check(uri2);
+    Expect.equals(uri1, uri2);
+  }
+
+  test("=", {});
+  test("=xxx", {});
+  test("===", {});
+  test("=xxx=yyy=zzz", {});
+  test("=&=&=", {});
+  test("=xxx&=yyy&=zzz", {});
+  test("&=&=&", {});
+  test("&=xxx&=xxx&", {});
+}
+
+main() {
+  testInvalidArguments();
+  testEncodeQueryComponent();
+  testQueryParameters();
+  testInvalidQueryParameters();
+}