work in progress
nearly coincident mostly work
support files for creating projects from gyp
git-svn-id: http://skia.googlecode.com/svn/trunk@3500 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Intersection/ActiveEdge_Test.cpp b/experimental/Intersection/ActiveEdge_Test.cpp
new file mode 100755
index 0000000..2ee4089
--- /dev/null
+++ b/experimental/Intersection/ActiveEdge_Test.cpp
@@ -0,0 +1,67 @@
+#include "CurveIntersection.h"
+#include "LineIntersection.h"
+#include "SkPath.h"
+#include "SkRect.h"
+#include "SkTArray.h"
+#include "SkTDArray.h"
+#include "TSearch.h"
+
+namespace UnitTest {
+
+#include "EdgeWalker.cpp"
+
+} // end of UnitTest namespace
+
+#include "Intersection_Tests.h"
+
+SkPoint leftRight[][4] = {
+// equal length
+ {{10, 10}, {10, 50}, {20, 10}, {20, 50}},
+ {{10, 10}, {10, 50}, {10, 10}, {20, 50}},
+ {{10, 10}, {10, 50}, {20, 10}, {10, 50}},
+// left top higher
+ {{10, 0}, {10, 50}, {20, 10}, {20, 50}},
+ {{10, 0}, {10, 50}, {10, 10}, {20, 50}},
+ {{10, 0}, {10, 50}, {20, 10}, {10, 50}},
+ {{10, 0}, {10, 50}, {20, 10}, {10 + 0.000001, 40}},
+// left top lower
+ {{10, 20}, {10, 50}, {20, 10}, {20, 50}},
+ {{10, 20}, {10, 50}, {10, 10}, {20, 50}},
+ {{10, 20}, {10, 50}, {20, 10}, {10, 50}},
+ {{10, 20}, {10, 50}, {20, 10}, {10 + 0.000001, 40}},
+ {{10, 20}, {10, 50}, { 0, 0}, {50, 50}},
+// left bottom higher
+ {{10, 10}, {10, 40}, {20, 10}, {20, 50}},
+ {{10, 10}, {10, 40}, {10, 10}, {20, 50}},
+ {{10, 10}, {10, 40}, {20, 10}, {10, 50}},
+ {{10, 10}, {10, 40}, {20, 10}, { 0 + 0.000001, 70}},
+// left bottom lower
+ {{10, 10}, {10, 60}, {20, 10}, {20, 50}},
+ {{10, 10}, {10, 60}, {10, 10}, {20, 50}},
+ {{10, 10}, {10, 60}, {20, 10}, {10 + 0.000001, 50}},
+ {{10, 10}, {10, 60}, {20, 10}, {10 + 0.000001, 40}},
+ {{10, 10}, {10, 60}, { 0, 0}, {20 + 0.000001, 20}},
+};
+
+size_t leftRightCount = sizeof(leftRight) / sizeof(leftRight[0]);
+
+void ActiveEdge_Test() {
+ UnitTest::InEdge leftIn, rightIn;
+ UnitTest::ActiveEdge left, right;
+ left.fWorkEdge.fEdge = &leftIn;
+ right.fWorkEdge.fEdge = &rightIn;
+ for (size_t x = 0; x < leftRightCount; ++x) {
+ left.fAbove = leftRight[x][0];
+ left.fBelow = leftRight[x][1];
+ right.fAbove = leftRight[x][2];
+ right.fBelow = leftRight[x][3];
+ SkASSERT(left < right);
+ SkASSERT(left.operator_less_than(right));
+ SkASSERT(!(right < left));
+ SkASSERT(!right.operator_less_than(left));
+ }
+}
+
+
+
+