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-rw-r--r--src/core/SkTextBlob.cpp2
-rw-r--r--tests/TextBlobTest.cpp17
2 files changed, 16 insertions, 3 deletions
diff --git a/src/core/SkTextBlob.cpp b/src/core/SkTextBlob.cpp
index 2ccf26b1c6..7fd96ad8b2 100644
--- a/src/core/SkTextBlob.cpp
+++ b/src/core/SkTextBlob.cpp
@@ -403,8 +403,6 @@ SkRect SkTextBlobBuilder::TightRunBounds(const SkTextBlob::RunRecord& run) {
}
SkASSERT((void*)glyphPosX <= SkTextBlob::RunRecord::Next(&run));
- SkASSERT(run.positioning() == SkTextBlob::kHorizontal_Positioning ||
- (void*)glyphPosY <= SkTextBlob::RunRecord::Next(&run));
return bounds.makeOffset(run.offset().x(), run.offset().y());
}
diff --git a/tests/TextBlobTest.cpp b/tests/TextBlobTest.cpp
index ec748e7744..2a74e5a2db 100644
--- a/tests/TextBlobTest.cpp
+++ b/tests/TextBlobTest.cpp
@@ -149,7 +149,22 @@ public:
}
// Implicit bounds
- // FIXME: not supported yet.
+
+ {
+ // Exercise the empty bounds path, and ensure that RunRecord-aligned pos buffers
+ // don't trigger asserts (http://crbug.com/542643).
+ SkPaint p;
+ p.setTextSize(0);
+ p.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
+
+ const char* txt = "BOOO";
+ const size_t len = strlen(txt);
+ const SkTextBlobBuilder::RunBuffer& buffer = builder.allocRunPos(p, (int)len);
+ p.textToGlyphs(txt, len, buffer.glyphs);
+ memset(buffer.pos, 0, sizeof(SkScalar) * len * 2);
+ SkAutoTUnref<const SkTextBlob> blob(builder.build());
+ REPORTER_ASSERT(reporter, blob->bounds().isEmpty());
+ }
}
private: