diff options
Diffstat (limited to 'tests')
-rw-r--r-- | tests/PaintTest.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/PaintTest.cpp b/tests/PaintTest.cpp index 3210e77f19..e7954b9136 100644 --- a/tests/PaintTest.cpp +++ b/tests/PaintTest.cpp @@ -11,8 +11,11 @@ #include "SkPaint.h" #include "SkPath.h" #include "SkRandom.h" +#include "SkReadBuffer.h" #include "SkTypeface.h" #include "SkUtils.h" +#include "SkWriteBuffer.h" +#include "SkXfermode.h" #include "Test.h" static size_t uni_to_utf8(const SkUnichar src[], void* dst, int count) { @@ -251,3 +254,40 @@ DEF_TEST(Paint, reporter) { test_cmap(reporter); } } + +#define ASSERT(expr) REPORTER_ASSERT(r, expr) + +DEF_TEST(Paint_FlatteningTraits, r) { + SkPaint paint; + paint.setColor(0x00AABBCC); + paint.setTextScaleX(1.0f); // Encoded despite being the default value. + paint.setTextSize(19); + paint.setXfermode(SkXfermode::Create(SkXfermode::kModulate_Mode))->unref(); + paint.setLooper(NULL); // Ignored. + + SkWriteBuffer writer; + SkPaint::FlatteningTraits::Flatten(writer, paint); + const size_t expectedBytesWritten = sizeof(void*) == 8 ? 48 : 40; + ASSERT(expectedBytesWritten == writer.bytesWritten()); + + const uint32_t* written = writer.getWriter32()->contiguousArray(); + SkASSERT(written != NULL); + ASSERT(*written == ((1<<0) | (1<<2) | (1<<3) | (1<<9))); // Dirty bits for our 4. + + SkReadBuffer reader(written, writer.bytesWritten()); + SkPaint other; + SkPaint::FlatteningTraits::Unflatten(reader, &other); + ASSERT(reader.offset() == writer.bytesWritten()); + + // No matter the encoding, these must always hold. + ASSERT(other.getColor() == paint.getColor()); + ASSERT(other.getTextScaleX() == paint.getTextScaleX()); + ASSERT(other.getTextSize() == paint.getTextSize()); + ASSERT(other.getLooper() == paint.getLooper()); + + // We have to be a little looser and compare just the modes. Pointers might not be the same. + SkXfermode::Mode otherMode, paintMode; + ASSERT(other.getXfermode()->asMode(&otherMode)); + ASSERT(paint.getXfermode()->asMode(&paintMode)); + ASSERT(otherMode == paintMode); +} |