autocomplete: Extract AutocompleteMatch unittest from autocomplete_unittest.cc

chrome/browser/autocomplete/autocomplete_match_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/autocomplete/autocomplete_match.h"
+
+#include "base/basictypes.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(AutocompleteMatchTest, MoreRelevant) {
+  struct RelevantCases {
+    int r1;
+    int r2;
+    bool expected_result;
+  } cases[] = {
+    {  10,   0, true  },
+    {  10,  -5, true  },
+    {  -5,  10, false },
+    {   0,  10, false },
+    { -10,  -5, false  },
+    {  -5, -10, true },
+  };
+
+  AutocompleteMatch m1(NULL, 0, false, AutocompleteMatch::URL_WHAT_YOU_TYPED);
+  AutocompleteMatch m2(NULL, 0, false, AutocompleteMatch::URL_WHAT_YOU_TYPED);
+
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
+    m1.relevance = cases[i].r1;
+    m2.relevance = cases[i].r2;
+    EXPECT_EQ(cases[i].expected_result,
+              AutocompleteMatch::MoreRelevant(m1, m2));
+  }
+}