Disable Math and Symbols segmentation, fix dotted circle sequence

third_party/WebKit/Source/platform/fonts/OrientationIteratorTest.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/OrientationIterator.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include <string>
 
 namespace blink {
@@ skipping 65 matching lines @@
 TEST_F(OrientationIteratorTest, OneCharLatin)
 {
     CHECK_RUNS({ { "A", OrientationIterator::OrientationRotateSideways } });
 }
 
 TEST_F(OrientationIteratorTest, OneAceOfSpades)
 {
     CHECK_RUNS({ { "🂡", OrientationIterator::OrientationKeep } });
 }
 
+TEST_F(OrientationIteratorTest, CombiningCircle)
+{
+    CHECK_RUNS({ { "◌́◌̀◌̈◌̂◌̄◌̊", OrientationIterator::OrientationKeep } });
+}
+
 TEST_F(OrientationIteratorTest, OneEthiopicSyllable)
 {
     CHECK_RUNS({ { "ጀ", OrientationIterator::OrientationRotateSideways } });
 }
 
 TEST_F(OrientationIteratorTest, JapaneseLetterlikeEnd)
 {
     CHECK_RUNS({ { "いろは", OrientationIterator::OrientationKeep },
         { "ℐℒℐℒℐℒℐℒℐℒℐℒℐℒ", OrientationIterator::OrientationRotateSideways } });
 }
@@ skipping 70 matching lines @@
         { "ほへと", OrientationIterator::OrientationKeep },
         { "Xyz", OrientationIterator::OrientationRotateSideways } });
 }
 
 TEST_F(OrientationIteratorTest, JapaneseMahjonggMixed)
 {
     CHECK_RUNS({ { "いろはに🀤ほへと", OrientationIterator::OrientationKeep } });
 }
 
 } // namespace blink