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authorThorsten Behrens <tbehrens@suse.com>2012-01-18 15:25:11 +0100
committerThorsten Behrens <tbehrens@suse.com>2012-01-18 15:27:54 +0100
commit152eaa298545821ec842499947236aeb99696427 (patch)
tree935c7a86307c6eb9531e0ac864d0fa7ce5860d10 /basegfx
parent13e1fe0561facccc80628c031065ad91adfdeade (diff)
Add more unit test coverage for generic clipper
With the changes Julien brought in via 66fd9a610cd876c236486a2089d8d58dca866e25, thought it was a good idea to cover those code paths as well - done now, via the checkCrossoverSolver() tests.
Diffstat (limited to 'basegfx')
-rw-r--r--basegfx/test/genericclipper.cxx55
1 files changed, 46 insertions, 9 deletions
diff --git a/basegfx/test/genericclipper.cxx b/basegfx/test/genericclipper.cxx
index d3b79ce7d1ed..496f34805d79 100644
--- a/basegfx/test/genericclipper.cxx
+++ b/basegfx/test/genericclipper.cxx
@@ -143,17 +143,54 @@ public:
validate("validateDiff", pValid, &tools::solvePolygonOperationDiff);
}
+ void validateCrossover(const char* pName,
+ const char* pInputSvgD,
+ const char* pValidSvgD)
+ {
+ rtl::OUString aInput=rtl::OUString::createFromAscii(pInputSvgD);
+ rtl::OUString aValid=rtl::OUString::createFromAscii(pValidSvgD);
+ B2DPolyPolygon aInputPoly, aValidPoly;
+
+ tools::importFromSvgD(aInputPoly, aInput);
+ tools::importFromSvgD(aValidPoly, aValid);
+
+ CPPUNIT_ASSERT_MESSAGE(
+ pName,
+ basegfx::tools::exportToSvgD(
+ tools::solveCrossovers(aInputPoly)) == aValid);
+ }
+
void checkCrossoverSolver()
{
- B2DPolyPolygon aPoly;
- tools::importFromSvgD(
- aPoly,
- ::rtl::OUString(
- RTL_CONSTASCII_USTRINGPARAM(
- "m0 0 v 5 h 3 h 1 h 1 h 1 v -2 v -3 z"
- "m3 7 v -2 h 1 h 1 h 1 v -2 h 1 v 3 z")));
-
- tools::solveCrossovers(aPoly);
+ // partially intersecting polygons, with a common subsection
+ validateCrossover(
+ "partially intersecting",
+ "m0 0 v 5 h 3 h 1 h 1 h 1 v -2 v -3 z"
+ "m3 7 v -2 h 1 h 1 h 1 v -2 h 1 v 3 z",
+ "m0 0v5h3 1 1 1v-2-3zm3 7v-2h1 1 1v-2h1v3z");
+
+ // first polygon is identical to subset of second polygon
+ validateCrossover(
+ "full subset",
+ "m0 0 v 5 h 3 h 1 h 1 v -5 z"
+ "m3 10 v -5 h 1 h 1 v -5 h -5 v 5 h 3 z",
+ "m0 0v5h3 1 1v-5zm3 10v-5zm1-5h1v-5h-5v5h3z");
+
+ // first polygon is identical to subset of second polygon, but
+ // oriented in the opposite direction
+ validateCrossover(
+ "full subset, opposite direction",
+ "m0 0 v 5 h 3 h 1 h 1 v -5 z"
+ "m3 10 v -5 h -1 h -1 h -1 v -5 h 5 v 5 h 2 z",
+ "m0 0v5h1 1 1-1-1-1v-5h5v5-5zm4 5h1 2l-4 5v-5z");
+
+ // first polygon is identical to subset of second polygon, and
+ // has a curve segment (triggers different code path)
+ validateCrossover(
+ "full subset, plus curves",
+ "m0 0 v 5 h 3 h 1 h 1 c 2 0 2 0 0 -5 z"
+ "m3 10 v -5 h 1 h 1 c 2 0 2 0 0 -5 h -5 v 5 h 3 z",
+ "m0 0v5h3 1 1c2 0 2 0 0-5zm3 10v-5zm1-5h1c2 0 2 0 0-5h-5v5h3z");
}
// Change the following lines only, if you add, remove or rename