Clean up SizesAttributeParserTest and add some tests

Source/core/css/parser/SizesAttributeParserTest.cpp

 // Copyright 2014 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 "config.h"
 #include "core/css/parser/SizesAttributeParser.h"
 
 #include "core/css/MediaValuesCached.h"
 
 #include <gtest/gtest.h>
 
 namespace WebCore {
 
 typedef struct {
     const char* input;
     const int output;
 } TestCase;
 
 TEST(SizesAttributeParserTest, Basic)
 {
-    // The first string represents the input string.
-    // The second string represents the output string, if present.
-    // Otherwise, the output string is identical to the first string.
     TestCase testCases[] = {
         {"screen", 500},
         {"(min-width:500px)", 500},
         {"(min-width:500px) 200px", 200},
         {"(min-width:500px) 50vw", 250},
         {"(min-width:500px) 200px, 400px", 200},
         {"400px, (min-width:500px) 200px", 400},
         {"(min-width:5000px) 200px, 400px", 400},
         {"(blalbadfsdf) 200px, 400px", 400},
         {"0", 500},
@@ skipping 11 matching lines @@
         {"-50vw, 20vw", 100},
         {"50asdf, 200px", 200},
         {"asdf, 200px", 200},
         {"(max-width: 3000px) 200w, 400w", 500},
         {",, , /**/ ,200px", 200},
         {"50vw", 250},
         {"calc(40vw*2)", 400},
         {"(min-width:5000px) calc(5000px/10), (min-width:500px) calc(1200px/3)", 400},
         {"(min-width:500px) calc(1200/3)", 500},
         {"(min-width:500px) calc(1200px/(0px*14))", 500},
-        // FIXME - test all other units, zero length and calc().
+        {"(max-width: 3000px) 200px, 400px", 200},
+        {"(max-width: 3000px) 20em, 40em", 320},
+        {"(max-width: 3000px) 0, 40em", 0},
+        {"(max-width: 3000px) 50vw, 40em", 250},
         {0, 0} // Do not remove the terminator line.
     };
 
     MediaValuesCached::MediaValuesCachedData data;
     data.viewportWidth = 500;
     data.viewportHeight = 500;
     data.deviceWidth = 500;
     data.deviceHeight = 500;
     data.devicePixelRatio = 2.0;
     data.colorBitsPerComponent = 24;
     data.monochromeBitsPerComponent = 0;
     data.pointer = MediaValues::MousePointer;
     data.defaultFontSize = 16;
     data.threeDEnabled = true;
     data.scanMediaType = false;
     data.screenMediaType = true;
     data.printMediaType = false;
     data.strictMode = true;
     RefPtr<MediaValues> mediaValues = MediaValuesCached::create(data);
 
     for (unsigned i = 0; testCases[i].input; ++i) {
         int effectiveSize = SizesAttributeParser::findEffectiveSize(testCases[i].input, mediaValues);
         ASSERT_EQ(testCases[i].output, effectiveSize);
     }
 }
 
 } // namespace