Return sizes' default effective size as float

third_party/WebKit/Source/core/css/parser/SizesAttributeParserTest.cpp

Index: third_party/WebKit/Source/core/css/parser/SizesAttributeParserTest.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/SizesAttributeParserTest.cpp b/third_party/WebKit/Source/core/css/parser/SizesAttributeParserTest.cpp
index 3011b6754559200d9e5e5ff7ee928453311656e8..972e5fd8c2062b3fdce70aab60e6289e0f87f164 100644
--- a/third_party/WebKit/Source/core/css/parser/SizesAttributeParserTest.cpp
+++ b/third_party/WebKit/Source/core/css/parser/SizesAttributeParserTest.cpp
@@ -96,4 +96,85 @@ TEST(SizesAttributeParserTest, Basic) {
   }
 }
 
+TEST(SizesAttributeParserTest, FloatViewportWidth) {
+  TestCase testCases[] = {
+      {"screen", 500.5},
+      {"(min-width:500px)", 500.5},
+      {"(min-width:500px) 200px", 200},
+      {"(min-width:500px) 50vw", 250.25},
+      {"(min-width:500px) 200px, 400px", 200},
+      {"400px, (min-width:500px) 200px", 400},
+      {"40vw, (min-width:500px) 201px", 200.2},
+      {"(min-width:500px) 201px, 40vw", 201},
+      {"(min-width:5000px) 40vw, 201px", 201},
+      {"(min-width:500px) calc(201px), calc(40vw)", 201},
+      {"(min-width:5000px) calc(40vw), calc(201px)", 201},
+      {"(min-width:5000px) 200px, 400px", 400},
+      {"(blalbadfsdf) 200px, 400px", 400},
+      {"0", 0},
+      {"-0", 0},
+      {"1", 500.5},
+      {"300px, 400px", 300},
+      {"(min-width:5000px) 200px, (min-width:500px) 400px", 400},
+      {"", 500.5},
+      {"  ", 500.5},
+      {" /**/ ", 500.5},
+      {" /**/ 300px", 300},
+      {"300px /**/ ", 300},
+      {" /**/ (min-width:500px) /**/ 300px", 300},
+      {"-100px, 200px", 200},
+      {"-50vw, 20vw", 100.1},
+      {"50asdf, 200px", 200},
+      {"asdf, 200px", 200},
+      {"(max-width: 3000px) 200w, 400w", 500.5},
+      {",, , /**/ ,200px", 200},
+      {"50vw", 250.25},
+      {"50vh", 300},
+      {"50vmin", 250.25},
+      {"50vmax", 300},
+      {"5em", 80},
+      {"5rem", 80},
+      {"calc(40vw*2)", 400.4},
+      {"(min-width:5000px) calc(5000px/10), (min-width:500px) calc(1200px/3)",
+       400},
+      {"(min-width:500px) calc(1200/3)", 500.5},
+      {"(min-width:500px) calc(1200px/(0px*14))", 500.5},
+      {"(max-width: 3000px) 200px, 400px", 200},
+      {"(max-width: 3000px) 20em, 40em", 320},
+      {"(max-width: 3000px) 0, 40em", 0},
+      {"(max-width: 3000px) 0px, 40em", 0},
+      {"(max-width: 3000px) 50vw, 40em", 250.25},
+      {"(max-width: 3000px) 50px, 40vw", 50},
+      {"((),1px", 500.5},
+      {"{{},1px", 500.5},
+      {"[[],1px", 500.5},
+      {"x(x(),1px", 500.5},
+      {"(max-width: 3000px) 50.5px, 40vw", 50.5},
+      {"not (blabla) 50px, 40vw", 200.2},
+      {"not (max-width: 100px) 50px, 40vw", 50},
+      {0, 0}  // Do not remove the terminator line.
+  };
+
+  MediaValuesCached::MediaValuesCachedData data;
+  data.viewportWidth = 500.5;
+  data.viewportHeight = 600;
+  data.deviceWidth = 500;
+  data.deviceHeight = 500;
+  data.devicePixelRatio = 2.0;
+  data.colorBitsPerComponent = 24;
+  data.monochromeBitsPerComponent = 0;
+  data.primaryPointerType = PointerTypeFine;
+  data.defaultFontSize = 16;
+  data.threeDEnabled = true;
+  data.mediaType = MediaTypeNames::screen;
+  data.strictMode = true;
+  data.displayMode = WebDisplayModeBrowser;
+  MediaValues* mediaValues = MediaValuesCached::create(data);
+
+  for (unsigned i = 0; testCases[i].input; ++i) {
+    SizesAttributeParser parser(mediaValues, testCases[i].input);
+    ASSERT_EQ(testCases[i].effectiveSize, parser.length());
+  }
+}
+
 }  // namespace blink