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Add unit test for SkRect::hasValidCoordinates().

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git-svn-id: http://skia.googlecode.com/svn/trunk@765 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
wjmaclean@chromium.org 2011-02-07 17:48:40 +00:00
parent 116b2bcd2c
commit ff1ec2f1a8
2 changed files with 41 additions and 1 deletions
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39
tests/InfRectTest.cpp Normal file
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@ -0,0 +1,39 @@
#include "Test.h"
#include "SkRect.h"
// Tests that hasValidCoordinates() will reject any rect with +/-inf values
// as one of its coordinates.
static void TestInfRect(skiatest::Reporter* reporter) {
SkRect rect = SkRect::MakeXYWH(10.0f, 10.0f, 100.0f, 100.0f);
REPORTER_ASSERT(reporter, rect.hasValidCoordinates());
rect = SkRect::MakeXYWH(10.0f, 10.0f, 100.0f, 1.0f/0.0f); // Make 'inf' value without numeric_limits.
REPORTER_ASSERT(reporter, !rect.hasValidCoordinates());
rect = SkRect::MakeXYWH(10.0f, 10.0f, 1.0f/0.0f, 100.0f);
REPORTER_ASSERT(reporter, !rect.hasValidCoordinates());
rect = SkRect::MakeXYWH(1.0f/0.0f, 10.0f, 100.0f, 100.0f);
REPORTER_ASSERT(reporter, !rect.hasValidCoordinates());
rect = SkRect::MakeXYWH(10.0f, 1.0f/0.0f, 100.0f, 100.0f);
REPORTER_ASSERT(reporter, !rect.hasValidCoordinates());
rect = SkRect::MakeXYWH(10.0f, 10.0f, 100.0f, -1.0f/0.0f);
REPORTER_ASSERT(reporter, !rect.hasValidCoordinates());
rect = SkRect::MakeXYWH(10.0f, 10.0f, -1.0f/0.0f, 100.0f);
REPORTER_ASSERT(reporter, !rect.hasValidCoordinates());
rect = SkRect::MakeXYWH(-1.0f/0.0f, 10.0f, 100.0f, 100.0f);
REPORTER_ASSERT(reporter, !rect.hasValidCoordinates());
rect = SkRect::MakeXYWH(10.0f, -1.0f/0.0f, 100.0f, 100.0f);
REPORTER_ASSERT(reporter, !rect.hasValidCoordinates());
}
// need tests for SkStrSearch
#include "TestClassDef.h"
DEFINE_TESTCLASS("InfRect", InfRectTestClass, TestInfRect)

3
tests/tests_files.mk
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@ -23,4 +23,5 @@ SOURCE := \
StringTest.cpp \
Test.cpp \
TestSize.cpp \
UtilsTest.cpp
UtilsTest.cpp \
InfRectTest.cpp