add initial unittests for Path

add operator== for paths
still need to implement isRect!



git-svn-id: http://skia.googlecode.com/svn/trunk@99 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 61 insertions, 0 deletions

diff --git a/tests/PathTest.cpp b/tests/PathTest.cpp
new file mode 100644
index 0000000000..383ad030c5
--- /dev/null
+++ b/tests/PathTest.cpp
@@ -0,0 +1,61 @@
+#include "Test.h"
+#include "SkPath.h"
+
+static void TestPath(skiatest::Reporter* reporter) {
+    SkPath  p, p2;
+    SkRect  bounds, bounds2;
+    
+    REPORTER_ASSERT(reporter, p.isEmpty());
+    REPORTER_ASSERT(reporter, p.getFillType() == SkPath::kWinding_FillType);
+    REPORTER_ASSERT(reporter, !p.isInverseFillType());
+    REPORTER_ASSERT(reporter, p == p2);
+    REPORTER_ASSERT(reporter, !(p != p2));
+
+    // initialize bounds to not-empty
+    bounds.set(0, 0, SK_Scalar1, SK_Scalar1);
+    p.computeBounds(&bounds, SkPath::kFast_BoundsType);
+    REPORTER_ASSERT(reporter, bounds.isEmpty());
+    
+    bounds.set(0, 0, SK_Scalar1, SK_Scalar1);
+    p.addRect(bounds);
+    bounds2.setEmpty();
+    p.computeBounds(&bounds2, SkPath::kFast_BoundsType);
+    REPORTER_ASSERT(reporter, bounds == bounds2);
+
+    REPORTER_ASSERT(reporter, p != p2);
+    REPORTER_ASSERT(reporter, !(p == p2));
+
+    // does getPoints return the right result
+    REPORTER_ASSERT(reporter, p.getPoints(NULL, 5) == 4);
+    SkPoint pts[4];
+    int count = p.getPoints(pts, 4);
+    REPORTER_ASSERT(reporter, count == 4);
+    bounds2.set(pts, 4);
+    REPORTER_ASSERT(reporter, bounds == bounds2);
+    
+    bounds.offset(SK_Scalar1*3, SK_Scalar1*4);
+    p.offset(SK_Scalar1*3, SK_Scalar1*4);
+    p.computeBounds(&bounds2, SkPath::kFast_BoundsType);
+    REPORTER_ASSERT(reporter, bounds == bounds2);
+
+#if 0 // isRect needs to be implemented
+    REPORTER_ASSERT(reporter, p.isRect(NULL));
+    bounds.setEmpty();
+    REPORTER_ASSERT(reporter, p.isRect(&bounds2));
+    REPORTER_ASSERT(reporter, bounds == bounds2);
+    
+    // now force p to not be a rect
+    bounds.set(0, 0, SK_Scalar1/2, SK_Scalar1/2);
+    p.addRect(bounds);
+    REPORTER_ASSERT(reporter, !p.isRect(NULL));
+#endif
+
+    SkPoint pt;
+
+    p.moveTo(SK_Scalar1, 0);
+    p.getLastPt(&pt);
+    REPORTER_ASSERT(reporter, pt.fX == SK_Scalar1);
+}
+
+#include "TestClassDef.h"
+DEFINE_TESTCLASS("Path", PathTestClass, TestPath)