RulesRegistry for declarative APIs.

chrome/browser/extensions/api/declarative/rule_identifier_unittest.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/extensions/api/declarative/rule_identifier.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(RuleIdentifier, ConstructorAndGetters) {
+  using namespace extensions;
+  const char kExtensionId[] = "extensionId";
+  const char kRuleId[] = "ruleId";
+
+  RuleIdentifier identifier1(kExtensionId, kRuleId);
+  EXPECT_EQ(kExtensionId, identifier1.extension_id());
+  EXPECT_EQ(kRuleId, identifier1.rule_id());
+
+  RuleIdentifier identifier2(identifier1);
+  EXPECT_EQ(kExtensionId, identifier2.extension_id());
+  EXPECT_EQ(kRuleId, identifier2.rule_id());
+
+  RuleIdentifier identifier3("foo", "bar");
+  identifier3 = identifier1;
+  EXPECT_EQ(kExtensionId, identifier3.extension_id());
+  EXPECT_EQ(kRuleId, identifier3.rule_id());
+}
+
+TEST(RuleIdentifier, Comparisons) {
+  using namespace extensions;
+  RuleIdentifier identifier11("1", "1");
+  RuleIdentifier identifier12("1", "2");
+  RuleIdentifier identifier21("2", "1");
+  RuleIdentifier identifier22("2", "2");
+
+  RuleIdentifier* identifiers[] = {
+      &identifier11, &identifier12, &identifier21, &identifier22
+  };
+
+  // Whether identifiers[row] < identifiers[column]:
+  bool expected[4][4] = {
+      /*           11     12     21     22 */
+      /* 11 */ { false,  true,  true,  true },
+      /* 12 */ { false, false, false,  true },
+      /* 21 */ { false,  true, false,  true },
+      /* 22 */ { false, false, false, false },
+  };
+
+  for (int row = 0; row < 4; ++row)
+    for (int col = 0; col < 4; ++col)
+      EXPECT_EQ(expected[row][col], *identifiers[row] < *identifiers[col]);
+}