Case-insensitive search for non-ASCII characters in auto-complete of Drive files.

chrome/browser/chromeos/drive/search_metadata_unittest.cc

 // Copyright (c) 2013 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/chromeos/drive/search_metadata.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop.h"
 #include "base/stringprintf.h"
 #include "base/threading/sequenced_worker_pool.h"
@@ skipping 24 matching lines @@
       id_counter_(0),
       last_accessed_counter_(last_accessed_base) {}
 
   // Obtains resource ID that is consists of the prefix and a sequential
   // number.
   std::string GetId() const {
     return base::StringPrintf("%s%d", prefix_.c_str(), id_counter_);
   }
 
   // Obtains the fake last accessed time that is sequential number following
-  // |last_accessed_base| specified at the construcor.
+  // |last_accessed_base| specified at the constructor.
   int64 GetLastAccessed() const {
     return last_accessed_counter_;
   }
 
   // Advances counters to generate the next ID and last accessed time.
   void Advance() {
     ++id_counter_;
     ++last_accessed_counter_;
   }
 
@@ skipping 511 matching lines @@
 
 TEST(SearchMetadataSimpleTest, FindAndHighlight_InTheMiddle) {
   std::string highlighted_text;
   EXPECT_TRUE(FindAndHighlight("yo hello, world", "hello", &highlighted_text));
   EXPECT_EQ("yo <b>hello</b>, world", highlighted_text);
 }
 
 TEST(SearchMetadataSimpleTest, FindAndHighlight_MultipeMatches) {
   std::string highlighted_text;
   EXPECT_TRUE(FindAndHighlight("yoyoyoyoy", "yoy", &highlighted_text));
-  EXPECT_EQ("<b>yoy</b>o<b>yoy</b>oy", highlighted_text);
+  // Only the first match is highlighted.
+  EXPECT_EQ("<b>yoy</b>oyoyoy", highlighted_text);
 }
 
 TEST(SearchMetadataSimpleTest, FindAndHighlight_IgnoreCase) {
   std::string highlighted_text;
   EXPECT_TRUE(FindAndHighlight("HeLLo", "hello", &highlighted_text));
   EXPECT_EQ("<b>HeLLo</b>", highlighted_text);
 }
 
+TEST(SearchMetadataSimpleTest, FindAndHighlight_IgnoreCaseNonASCII) {
+  std::string highlighted_text;
+
+  // Case and accent ignorance in Greek. Find "socra" in "Socra'tes".
+  EXPECT_TRUE(FindAndHighlight(
+      "\xCE\xA3\xCF\x89\xCE\xBA\xCF\x81\xCE\xAC\xCF\x84\xCE\xB7\xCF\x82",
+      "\xCF\x83\xCF\x89\xCE\xBA\xCF\x81\xCE\xB1", &highlighted_text));
+  EXPECT_EQ(
+      "<b>\xCE\xA3\xCF\x89\xCE\xBA\xCF\x81\xCE\xAC</b>\xCF\x84\xCE\xB7\xCF\x82",
+      highlighted_text);
+
+  // In Japanese characters.
+  // Find Hiragana "pi" + "(small)ya" in Katakana "hi" + semi-voiced-mark + "ya"
+  EXPECT_TRUE(FindAndHighlight(
+      "\xE3\x81\xB2\xE3\x82\x9A\xE3\x82\x83\xE3\x83\xBC",
+      "\xE3\x83\x94\xE3\x83\xA4",
+      &highlighted_text));
+  EXPECT_EQ(
+      "<b>\xE3\x81\xB2\xE3\x82\x9A\xE3\x82\x83</b>\xE3\x83\xBC",
+      highlighted_text);
+}
+
 TEST(SearchMetadataSimpleTest, FindAndHighlight_MetaChars) {
   std::string highlighted_text;
   EXPECT_TRUE(FindAndHighlight("<hello>", "hello", &highlighted_text));
   EXPECT_EQ("&lt;<b>hello</b>&gt;", highlighted_text);
 }
 
 TEST(SearchMetadataSimpleTest, FindAndHighlight_MoreMetaChars) {
   std::string highlighted_text;
   EXPECT_TRUE(FindAndHighlight("a&b&c&d", "b&c", &highlighted_text));
   EXPECT_EQ("a&amp;<b>b&amp;c</b>&amp;d", highlighted_text);
 }
 
 }  // namespace internal
 }  // namespace drive