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-rw-r--r--tests/PointTest.cpp39
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/PointTest.cpp b/tests/PointTest.cpp
new file mode 100644
index 0000000000..dc13b303f0
--- /dev/null
+++ b/tests/PointTest.cpp
@@ -0,0 +1,39 @@
+// 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);
+ REPORTER_ASSERT(reporter, 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, returned == oldLength);
+ REPORTER_ASSERT(reporter, SkScalarNearlyEqual(newLength, SK_Scalar1));
+}
+
+void PointTest(skiatest::Reporter* reporter) {
+ test_length(reporter, SkIntToScalar(3), SkIntToScalar(4), SkIntToScalar(5));
+ test_length(reporter, SkFloatToScalar(0.6), SkFloatToScalar(0.8),
+ SK_Scalar1);
+ test_Normalize(reporter, SkIntToScalar(3), SkIntToScalar(4));
+ test_Normalize(reporter, SkFloatToScalar(0.6), SkFloatToScalar(0.8));
+}
+
+#include "TestClassDef.h"
+DEFINE_TESTCLASS("Point", PointTestClass, PointTest)