Enable float source size

Source/core/css/parser/SizesCalcParserTest.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/SizesCalcParser.h"
 
 #include "core/MediaTypeNames.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/MediaValuesCached.h"
 #include "core/css/parser/CSSParser.h"
 #include "core/css/parser/MediaQueryTokenizer.h"
 
 #include <gtest/gtest.h>
 
 namespace blink {
 
 struct TestCase {
     const char* input;
-    const unsigned output;
+    const float output;
     const bool valid;
     const bool dontRunInCSSCalc;
     const bool viewportDependant;
 };
 
 static void initLengthArray(CSSLengthArray& lengthArray)
 {
     lengthArray.resize(CSSPrimitiveValue::LengthUnitTypeCount);
     for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; ++i)
         lengthArray.at(i) = 0;
 }
 
 static void verifyCSSCalc(String text, double value, bool valid, unsigned fontSize, unsigned viewportWidth, unsigned viewportHeight)
 {
     CSSLengthArray lengthArray;
     initLengthArray(lengthArray);
     RefPtrWillBeRawPtr<CSSValue> cssValue = CSSParser::parseSingleValue(CSSPropertyLeft, text);
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(cssValue.get());
     if (primitiveValue)
         primitiveValue->accumulateLengthArray(lengthArray);
     else
         ASSERT_EQ(valid, false);
-    int length = lengthArray.at(CSSPrimitiveValue::UnitTypePixels);
+    float length = lengthArray.at(CSSPrimitiveValue::UnitTypePixels);
     length += lengthArray.at(CSSPrimitiveValue::UnitTypeFontSize) * fontSize;
     length += lengthArray.at(CSSPrimitiveValue::UnitTypeViewportWidth) * viewportWidth / 100.0;
     length += lengthArray.at(CSSPrimitiveValue::UnitTypeViewportHeight) * viewportHeight / 100.0;
     ASSERT_EQ(value, length);
 }
 
 
 TEST(SizesCalcParserTest, Basic)
 {
     TestCase testCases[] = {
         {"calc(500px + 10em)", 660, true, false, false},
+        {"calc(500px / 8)", 62.5, true, false, false},
         {"calc(500px + 2 * 10em)", 820, true, false, false},
         {"calc(500px + 2*10em)", 820, true, false, false},
         {"calc(500px + 0.5*10em)", 580, true, false, false},
         {"calc(500px + (0.5*10em + 13px))", 593, true, false, false},
         {"calc(100vw + (0.5*10em + 13px))", 593, true, false, true},
         {"calc(100vh + (0.5*10em + 13px))", 736, true, false, true},
         {"calc(100vh + calc(0.5*10em + 13px))", 736, true, true, true}, // CSSCalculationValue does not parse internal "calc(".
         {"calc(100vh + (50%*10em + 13px))", 0, false, false, true},
         {"calc(50em+13px)", 0, false, false, false},
         {"calc(50em-13px)", 0, false, false, false},
         {"calc(500px + 10)", 0, false, false, false},
         {"calc(500 + 10)", 0, false, false, false},
         {"calc(500px + 10s)", 0, false, true, false}, // This test ASSERTs in CSSCalculationValue.
-        {"calc(500px + 1cm)", 537, true, false, false},
+        {"calc(500px + 1cm)", 537.795276, true, false, false},
         {"calc(500px - 10s)", 0, false, true, false}, // This test ASSERTs in CSSCalculationValue.
-        {"calc(500px - 1cm)", 462, true, false, false},
+        {"calc(500px - 1cm)", 462.204724, true, false, false},
         {"calc(500px - 1vw)", 495, true, false, true},
         {"calc(50px*10)", 500, true, false, false},
         {"calc(50px*10px)", 0, false, false, false},
         {"calc(50px/10px)", 0, false, false, false},
         {"calc(500px/10)", 50, true, false, false},
         {"calc(500/10)", 0, false, false, false},
         {"calc(500px/0.5)", 1000, true, false, false},
         {"calc(500px/.5)", 1000, true, false, false},
         {"calc(500/0)", 0, false, false, false},
         {"calc(500px/0)", 0, false, false, false},
         {"calc(-500px/10)", 0, true, true, false}, // CSSCalculationValue does not clamp negative values to 0.
         {"calc(((4) * ((10px))))", 40, true, false, false},
         {"calc(50px / 0)", 0, false, false, false},
-        {"calc(50px / (10 + 10))", 2, true, false, false},
+        {"calc(50px / (10 + 10))", 2.5, true, false, false},
         {"calc(50px / (10 - 10))", 0, false, false, false},
-        {"calc(50px / (10 * 10))", 0, true, false, false},
+        {"calc(50px / (10 * 10))", 0.5, true, false, false},
         {"calc(50px / (10 / 10))", 50, true, false, false},
         {"calc(200px*)", 0, false, false, false},
         {"calc(+ +200px)", 0, false, false, false},
         {"calc()", 0, false, false, false},
         {"calc(100px + + +100px)", 0, false, false, false},
         {"calc(200px 200px)", 0, false, false, false},
         {"calc(100px * * 2)", 0, false, false, false},
         {"calc(100px @ 2)", 0, false, false, false},
         {"calc(1 flim 2)", 0, false, false, false},
         {"calc(100px @ 2)", 0, false, false, false},
@@ skipping 30 matching lines @@
     }
 
     for (unsigned i = 0; testCases[i].input; ++i) {
         if (testCases[i].dontRunInCSSCalc)
             continue;
         verifyCSSCalc(testCases[i].input, testCases[i].output, testCases[i].valid, data.defaultFontSize, data.viewportWidth, data.viewportHeight);
     }
 }
 
 } // namespace