Add SkPath::isLastContourClosed()

tests/PathTest.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvas.h"
 #include "SkGeometry.h"
 #include "SkPaint.h"
@@ skipping 800 matching lines @@
     path.reset();
     path.moveTo(nan, 0);
     REPORTER_ASSERT(reporter, !path.isFinite());
 }
 
 static void test_isfinite(skiatest::Reporter* reporter) {
     test_rect_isfinite(reporter);
     test_path_isfinite(reporter);
 }
 
+static void test_islastcontourclosed(skiatest::Reporter* reporter) {
+    SkPath path;
+    REPORTER_ASSERT(reporter, !path.isLastContourClosed());
+    path.moveTo(0, 0);
+    REPORTER_ASSERT(reporter, !path.isLastContourClosed());
+    path.close();
+    REPORTER_ASSERT(reporter, path.isLastContourClosed());
+    path.lineTo(100, 100);
+    REPORTER_ASSERT(reporter, !path.isLastContourClosed());
+    path.moveTo(200, 200);
+    REPORTER_ASSERT(reporter, !path.isLastContourClosed());
+    path.close();
+    REPORTER_ASSERT(reporter, path.isLastContourClosed());
+    path.moveTo(0, 0);
+    REPORTER_ASSERT(reporter, !path.isLastContourClosed());
+}
+
 // assert that we always
 //  start with a moveTo
 //  only have 1 moveTo
 //  only have Lines after that
 //  end with a single close
 //  only have (at most) 1 close
 //
 static void test_poly(skiatest::Reporter* reporter, const SkPath& path,
                       const SkPoint srcPts[], bool expectClose) {
     SkPath::RawIter iter(path);
@@ skipping 3167 matching lines @@
     test_transform(reporter);
     test_bounds(reporter);
     test_iter(reporter);
     test_raw_iter(reporter);
     test_circle(reporter);
     test_oval(reporter);
     test_strokerec(reporter);
     test_addPoly(reporter);
     test_isfinite(reporter);
     test_isfinite_after_transform(reporter);
+    test_islastcontourclosed(reporter);
     test_arb_round_rect_is_convex(reporter);
     test_arb_zero_rad_round_rect_is_rect(reporter);
     test_addrect(reporter);
     test_addrect_isfinite(reporter);
     test_tricky_cubic();
     test_clipped_cubic();
     test_crbug_170666();
     test_crbug_493450(reporter);
     test_crbug_495894(reporter);
     test_bad_cubic_crbug229478();
@@ skipping 18 matching lines @@
     PathTest_Private::TestPathTo(reporter);
     PathRefTest_Private::TestPathRef(reporter);
     PathTest_Private::TestPathrefListeners(reporter);
     test_dump(reporter);
     test_path_crbug389050(reporter);
     test_path_crbugskia2820(reporter);
     test_skbug_3469(reporter);
     test_skbug_3239(reporter);
     test_bounds_crbug_513799(reporter);
 }