skia2/tests/PointTest.cpp

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Automatic update of all copyright notices to reflect new license terms. I have manually examined all of these diffs and restored a few files that seem to require manual adjustment. The following files still need to be modified manually, in a separate CL: android_sample/SampleApp/AndroidManifest.xml android_sample/SampleApp/res/layout/layout.xml android_sample/SampleApp/res/menu/sample.xml android_sample/SampleApp/res/values/strings.xml android_sample/SampleApp/src/com/skia/sampleapp/SampleApp.java android_sample/SampleApp/src/com/skia/sampleapp/SampleView.java experimental/CiCarbonSampleMain.c experimental/CocoaDebugger/main.m experimental/FileReaderApp/main.m experimental/SimpleCocoaApp/main.m experimental/iOSSampleApp/Shared/SkAlertPrompt.h experimental/iOSSampleApp/Shared/SkAlertPrompt.m experimental/iOSSampleApp/SkiOSSampleApp-Base.xcconfig experimental/iOSSampleApp/SkiOSSampleApp-Debug.xcconfig experimental/iOSSampleApp/SkiOSSampleApp-Release.xcconfig gpu/src/android/GrGLDefaultInterface_android.cpp gyp/common.gypi gyp_skia include/ports/SkHarfBuzzFont.h include/views/SkOSWindow_wxwidgets.h make.bat make.py src/opts/memset.arm.S src/opts/memset16_neon.S src/opts/memset32_neon.S src/opts/opts_check_arm.cpp src/ports/SkDebug_brew.cpp src/ports/SkMemory_brew.cpp src/ports/SkOSFile_brew.cpp src/ports/SkXMLParser_empty.cpp src/utils/ios/SkImageDecoder_iOS.mm src/utils/ios/SkOSFile_iOS.mm src/utils/ios/SkStream_NSData.mm tests/FillPathTest.cpp Review URL: http://codereview.appspot.com/4816058 git-svn-id: http://skia.googlecode.com/svn/trunk@1982 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-07-28 14:26:00 +00:00
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// Unit tests for src/core/SkPoint.cpp and its header
#include "SkPoint.h"
#include "Test.h"
// Tests that SkPoint::length() and SkPoint::Length() both return
// approximately expectedLength for this (x,y).
static void test_length(skiatest::Reporter* reporter, SkScalar x, SkScalar y,
SkScalar expectedLength) {
SkPoint point;
point.set(x, y);
SkScalar s1 = point.length();
SkScalar s2 = SkPoint::Length(x, y);
//The following should be exactly the same, but need not be.
//See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=323
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(s1, s2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(s1, expectedLength));
}
// Tests SkPoint::Normalize() for this (x,y)
static void test_Normalize(skiatest::Reporter* reporter,
SkScalar x, SkScalar y) {
SkPoint point;
point.set(x, y);
SkScalar oldLength = point.length();
SkScalar returned = SkPoint::Normalize(&point);
SkScalar newLength = point.length();
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(returned, oldLength));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(newLength, SK_Scalar1));
}
static void PointTest(skiatest::Reporter* reporter) {
test_length(reporter, SkIntToScalar(3), SkIntToScalar(4), SkIntToScalar(5));
test_length(reporter, SkFloatToScalar(0.6f), SkFloatToScalar(0.8f),
SK_Scalar1);
test_Normalize(reporter, SkIntToScalar(3), SkIntToScalar(4));
test_Normalize(reporter, SkFloatToScalar(0.6f), SkFloatToScalar(0.8f));
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("Point", PointTestClass, PointTest)