Initial import of Cobalt 2.8885 2016-07-27
diff --git a/src/third_party/skia/tests/PathOpsDLineTest.cpp b/src/third_party/skia/tests/PathOpsDLineTest.cpp
new file mode 100644
index 0000000..dd86dd3
--- /dev/null
+++ b/src/third_party/skia/tests/PathOpsDLineTest.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "PathOpsTestCommon.h"
+#include "SkPathOpsLine.h"
+#include "Test.h"
+
+static const SkDLine tests[] = {
+ {{{2, 1}, {2, 1}}},
+ {{{2, 1}, {1, 1}}},
+ {{{2, 1}, {2, 2}}},
+ {{{1, 1}, {2, 2}}},
+ {{{3, 0}, {2, 1}}},
+ {{{3, 2}, {1, 1}}},
+};
+
+static const SkDPoint left[] = {
+ {2, 1},
+ {1, 0},
+ {1, 1},
+ {1, 2},
+ {2, 0},
+ {2, 1}
+};
+
+static const size_t tests_count = SK_ARRAY_COUNT(tests);
+
+DEF_TEST(PathOpsLineUtilities, reporter) {
+ for (size_t index = 0; index < tests_count; ++index) {
+ const SkDLine& line = tests[index];
+ SkASSERT(ValidLine(line));
+ SkDLine line2;
+ SkPoint pts[2] = {line[0].asSkPoint(), line[1].asSkPoint()};
+ line2.set(pts);
+ REPORTER_ASSERT(reporter, line[0] == line2[0] && line[1] == line2[1]);
+ const SkDPoint& pt = left[index];
+ SkASSERT(ValidPoint(pt));
+ double result = line.isLeft(pt);
+ if ((result <= 0 && index >= 1) || (result < 0 && index == 0)) {
+ SkDebugf("%s [%d] expected left\n", __FUNCTION__, index);
+ REPORTER_ASSERT(reporter, 0);
+ }
+ line2 = line.subDivide(1, 0);
+ REPORTER_ASSERT(reporter, line[0] == line2[1] && line[1] == line2[0]);
+ line2 = SkDLine::SubDivide(pts, 1, 0);
+ REPORTER_ASSERT(reporter, line[0] == line2[1] && line[1] == line2[0]);
+ SkDPoint mid = line.ptAtT(.5);
+ REPORTER_ASSERT(reporter, approximately_equal((line[0].fX + line[1].fX) / 2, mid.fX));
+ REPORTER_ASSERT(reporter, approximately_equal((line[0].fY + line[1].fY) / 2, mid.fY));
+ }
+}
