Fix rrects that are large enough that we lose/gain a bit when we add the radius to a bounds coordin…

tests/PathTest.cpp

Index: tests/PathTest.cpp
diff --git a/tests/PathTest.cpp b/tests/PathTest.cpp
index 1a74682e546e967ac322b61ba76ca1de9f2d7411..de7e4a65cc09864851290169f6a2464a39d84f41 100644
--- a/tests/PathTest.cpp
+++ b/tests/PathTest.cpp
@@ -21,6 +21,26 @@
 #include "SkWriter32.h"
 #include "Test.h"
 
+static void test_skbug_3239(skiatest::Reporter* reporter) {
+    const SkRect rect = SkRect::MakeLTRB(SkBits2Float(0xcb7f16c8),  /* -16717512.000000 */
+                                         SkBits2Float(0xcb7f16c8),  /* -16717512.000000 */
+                                         SkBits2Float(0x4b7f1c1d),  /* 16718877.000000 */
+                                         SkBits2Float(0x4b7f1bd7)); /* 16718807.000000 */

[robertphillips, 2014/12/15 19:13:21]

Can we test the four variants having the huge radii in each of the corners?

[reed1, 2014/12/15 19:58:28]

Done.

+    const SkVector radii[] = {
+        { 0, 0 },
+        { 0, 0 },
+        { 0, 0 },
+        { 33436320, 33436320 },
+    };
+    SkRRect rrect;
+    rrect.setRectRadii(rect, radii);
+
+    SkPath path;
+    // this line should not assert in the debug build (from validate)
+    path.addRRect(rrect);
+    REPORTER_ASSERT(reporter, rrect.rect() == path.getBounds());
+}
+
 static void make_path_crbug364224(SkPath* path) {
     path->reset();
     path->moveTo(3.747501373f, 2.724499941f);
@@ -3729,4 +3749,5 @@ DEF_TEST(Paths, reporter) {
     PathRefTest_Private::TestPathRef(reporter);
     test_dump(reporter);
     test_path_crbugskia2820(reporter);
+    test_skbug_3239(reporter);
 }