Add polygon data tests.

geometry/geometry_tests/geometry_tests.pro

@@ -13,6 +13,7 @@ include($$ROOT_DIR/common.pri)
 HEADERS += \
   equality.hpp \
   large_polygon.hpp \
+  test_regions.hpp \
 
 SOURCES += \
   ../../testing/testingmain.cpp \

geometry/geometry_tests/region2d_binary_op_test.cpp

@@ -1,5 +1,7 @@
 #include "../../base/SRC_FIRST.hpp"
 
+#include "test_regions.hpp"
+
 #include "../../testing/testing.hpp"
 
 #include "../region2d/binary_operators.hpp"
@@ -82,3 +84,69 @@ UNIT_TEST(RegionDifference_Smoke)
     TEST_EQUAL(res[0].GetRect(), m2::RectI(0, 0, 1, 1), ());
   }
 }
+
+UNIT_TEST(RegionDifference_Data1)
+{
+  using namespace geom_test;
+
+  vector<R> vec;
+
+  vec.push_back(R());
+  vec.back().Assign(arrB1, arrB1 + ARRAY_SIZE(arrB1));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB2, arrB2 + ARRAY_SIZE(arrB2));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB3, arrB3 + ARRAY_SIZE(arrB3));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB4, arrB4 + ARRAY_SIZE(arrB4));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB5, arrB5 + ARRAY_SIZE(arrB5));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB6, arrB6 + ARRAY_SIZE(arrB6));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB7, arrB7 + ARRAY_SIZE(arrB7));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB8, arrB8 + ARRAY_SIZE(arrB8));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB9, arrB9 + ARRAY_SIZE(arrB9));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB10, arrB10 + ARRAY_SIZE(arrB10));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB11, arrB11 + ARRAY_SIZE(arrB11));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB12, arrB12 + ARRAY_SIZE(arrB12));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB13, arrB13 + ARRAY_SIZE(arrB13));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB14, arrB14 + ARRAY_SIZE(arrB14));
+
+  vec.push_back(R());
+  vec.back().Assign(arrB15, arrB15 + ARRAY_SIZE(arrB15));
+
+  vector<R> res;
+  res.push_back(R());
+  res.back().Assign(arrMain, arrMain + ARRAY_SIZE(arrMain));
+
+  for (size_t i = 0; i < vec.size(); ++i)
+  {
+    vector<R> local;
+
+    for (size_t j = 0; j < res.size(); ++j)
+      m2::DiffRegions(res[j], vec[i], local);
+
+    local.swap(res);
+  }
+}