d33f75c7be
"clever" but was causing build problems. git-svn-id: http://skia.googlecode.com/svn/trunk@1604 2bbb7eff-a529-9590-31e7-b0007b416f81
40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
// Unit tests for src/core/SkPoint.cpp and its header
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#include "SkPoint.h"
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#include "Test.h"
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// Tests that SkPoint::length() and SkPoint::Length() both return
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// approximately expectedLength for this (x,y).
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static void test_length(skiatest::Reporter* reporter, SkScalar x, SkScalar y,
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SkScalar expectedLength) {
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SkPoint point;
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point.set(x, y);
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SkScalar s1 = point.length();
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SkScalar s2 = SkPoint::Length(x, y);
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REPORTER_ASSERT(reporter, s1 == s2);
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REPORTER_ASSERT(reporter, SkScalarNearlyEqual(s1, expectedLength));
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}
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// Tests SkPoint::Normalize() for this (x,y)
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static void test_Normalize(skiatest::Reporter* reporter,
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SkScalar x, SkScalar y) {
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SkPoint point;
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point.set(x, y);
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SkScalar oldLength = point.length();
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SkScalar returned = SkPoint::Normalize(&point);
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SkScalar newLength = point.length();
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REPORTER_ASSERT(reporter, returned == oldLength);
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REPORTER_ASSERT(reporter, SkScalarNearlyEqual(newLength, SK_Scalar1));
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}
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void PointTest(skiatest::Reporter* reporter) {
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test_length(reporter, SkIntToScalar(3), SkIntToScalar(4), SkIntToScalar(5));
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test_length(reporter, SkFloatToScalar(0.6), SkFloatToScalar(0.8),
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SK_Scalar1);
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test_Normalize(reporter, SkIntToScalar(3), SkIntToScalar(4));
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test_Normalize(reporter, SkFloatToScalar(0.6), SkFloatToScalar(0.8));
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}
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("Point", PointTestClass, PointTest)
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