Handle recording a bitmap if copy fails.

If SkBitmapHeap::insert() returns INVALID_SLOT, assert at picture
record time so we can debug, but allow it to continue in release
mode, so that we can still capture a picture. At playback time,
print a message so we know that there was an error.

Review URL: https://codereview.appspot.com/6873050

git-svn-id: http://skia.googlecode.com/svn/trunk@6664 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PictureTest.cpp b/tests/PictureTest.cpp
index 79ca313..e62d5aa 100644
--- a/tests/PictureTest.cpp
+++ b/tests/PictureTest.cpp
@@ -154,7 +154,6 @@
 
     static const int N = 4;
     SkBitmap bm[N];
-    SkPMColor pmcolors[N];
     SkPixelRef* refs[N];
 
     const SkPoint pos[] = {
@@ -306,10 +305,30 @@
     }
 }
 
+#ifndef SK_DEBUG
+// Only test this is in release mode. We deliberately crash in debug mode, since a valid caller
+// should never do this.
+static void test_bad_bitmap() {
+    // This bitmap has a width and height but no pixels. As a result, attempting to record it will
+    // fail.
+    SkBitmap bm;
+    bm.setConfig(SkBitmap::kARGB_8888_Config, 100, 100);
+    SkPicture picture;
+    SkCanvas* recordingCanvas = picture.beginRecording(100, 100);
+    recordingCanvas->drawBitmap(bm, 0, 0);
+    picture.endRecording();
+
+    SkCanvas canvas;
+    canvas.drawPicture(picture);
+}
+#endif
+
 static void TestPicture(skiatest::Reporter* reporter) {
 #ifdef SK_DEBUG
     test_deleting_empty_playback();
     test_serializing_empty_picture();
+#else
+    test_bad_bitmap();
 #endif
     test_peephole(reporter);
     test_gatherpixelrefs(reporter);