Disable Math and Symbols segmentation, fix dotted circle sequence

third_party/WebKit/Source/platform/fonts/SymbolsIteratorTest.cpp

 // Copyright 2015 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 "platform/fonts/SymbolsIterator.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include <string>
 
 namespace blink {
@@ skipping 78 matching lines @@
 
 TEST_F(SymbolsIteratorTest, LatinColorEmojiTextEmoji)
 {
     CHECK_RUNS({ { "a", FontFallbackPriority::Text },
         { "⌚", FontFallbackPriority::EmojiEmoji },
         { "☎", FontFallbackPriority::EmojiText } });
 }
 
 TEST_F(SymbolsIteratorTest, IgnoreVSInMath)
 {
-    CHECK_RUNS({ { "⊆⊇⊈\xEF\xB8\x8E⊙⊚⊚", FontFallbackPriority::Math } });
+    CHECK_RUNS({ { "⊆⊇⊈\xEF\xB8\x8E⊙⊚⊚", FontFallbackPriority::Text } });
 }
 
 TEST_F(SymbolsIteratorTest, IgnoreVS15InText)
 {
     CHECK_RUNS({ { "abcdef\xEF\xB8\x8Eghji", FontFallbackPriority::Text } });
 }
 
 TEST_F(SymbolsIteratorTest, IgnoreVS16InText)
 {
     CHECK_RUNS({ { "abcdef\xEF\xB8\x8Fghji", FontFallbackPriority::Text } });
@@ skipping 12 matching lines @@
         { "0⃣1⃣2⃣3⃣4⃣5⃣6⃣7⃣8⃣9⃣*⃣", FontFallbackPriority::EmojiEmoji },
         { "0123456789#*", FontFallbackPriority::Text } });
 }
 
 
 TEST_F(SymbolsIteratorTest, SingleFlag)
 {
     CHECK_RUNS({ { "🇺", FontFallbackPriority::Text } });
 }
 
+TEST_F(SymbolsIteratorTest, CombiningCircle)
+{
+    CHECK_RUNS({ { "◌́◌̀◌̈◌̂◌̄◌̊", FontFallbackPriority::Text } });
+}
+
 // TODO: Perhaps check for invalid country indicator combinations?
 
 TEST_F(SymbolsIteratorTest, FlagsVsNonFlags)
 {
     CHECK_RUNS({ { "🇺🇸🇸", FontFallbackPriority::EmojiEmoji }, // "US"
         { "abc", FontFallbackPriority::Text },
         { "🇺🇸", FontFallbackPriority::EmojiEmoji },
         { "a🇿", FontFallbackPriority::Text } });
 }
 
@@ skipping 62 matching lines @@
 {
     CHECK_RUNS({ { "\xE2\x80\x8D", FontFallbackPriority::Text },
         { "\xF0\x9F\x91\xA9\xE2\x80\x8D\xE2"
         "\x9D\xA4\xEF\xB8\x8F\xE2\x80\x8D"
         "\xF0\x9F\x92\x8B\xE2\x80\x8D\xF0\x9F\x91\xA8",
         FontFallbackPriority::EmojiEmoji } });
 }
 
 TEST_F(SymbolsIteratorTest, Arrows)
 {
-    CHECK_RUNS({ { "x", FontFallbackPriority::Text },
-        { "→←", FontFallbackPriority::Math },
-        { "x", FontFallbackPriority::Text },
-        { "←↑↓→", FontFallbackPriority::Math } });
+    CHECK_RUNS({ { "x→←x←↑↓→", FontFallbackPriority::Text } });
 }
 
 } // namespace blink