use unique_ptr for stream api

Bug: skia:6888
Change-Id: I3459b4913982a7cae1c0061697c82cc65ad9a2d8
Reviewed-on: https://skia-review.googlesource.com/26740
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Reed <reed@google.com>

3 files changed, 25 insertions, 15 deletions

diff --git a/tests/CodecTest.cpp b/tests/CodecTest.cpp
index baa231497f..f2551d2d95 100644
--- a/tests/CodecTest.cpp
+++ b/tests/CodecTest.cpp
@@ -442,10 +442,10 @@ static void check(skiatest::Reporter* r,
 
 #ifndef SK_PNG_DISABLE_TESTS
         // Test using SkFrontBufferedStream, as Android does
-        SkStream* bufferedStream = SkFrontBufferedStream::Create(
-                new SkMemoryStream(std::move(fullData)), SkCodec::MinBufferedBytesNeeded());
+        auto bufferedStream = SkFrontBufferedStream::Make(
+                      SkMemoryStream::Make(std::move(fullData)), SkCodec::MinBufferedBytesNeeded());
         REPORTER_ASSERT(r, bufferedStream);
-        codec = SkCodec::MakeFromStream(std::unique_ptr<SkStream>(bufferedStream));
+        codec = SkCodec::MakeFromStream(std::move(bufferedStream));
         REPORTER_ASSERT(r, codec);
         if (codec) {
             test_info(r, codec.get(), info, SkCodec::kSuccess, &codecDigest);
diff --git a/tests/FrontBufferedStreamTest.cpp b/tests/FrontBufferedStreamTest.cpp
index aa2dc89a11..5452730ea4 100644
--- a/tests/FrontBufferedStreamTest.cpp
+++ b/tests/FrontBufferedStreamTest.cpp
@@ -54,9 +54,10 @@ static void test_incremental_buffering(skiatest::Reporter* reporter, size_t buff
     // NOTE: For this and other tests in this file, we cheat and continue to refer to the
     // wrapped stream, but that's okay because we know the wrapping stream has not been
     // deleted yet (and we only call const methods in it).
-    SkMemoryStream* memStream = new SkMemoryStream(gAbcs, strlen(gAbcs), false);
+    SkMemoryStream* memStream = SkMemoryStream::MakeDirect(gAbcs, strlen(gAbcs)).release();
 
-    std::unique_ptr<SkStream> bufferedStream(SkFrontBufferedStream::Create(memStream, bufferSize));
+    auto bufferedStream = SkFrontBufferedStream::Make(std::unique_ptr<SkStream>(memStream),
+                                                      bufferSize);
     test_hasLength(reporter, *bufferedStream, *memStream);
 
     // First, test reading less than the max buffer size.
@@ -82,8 +83,9 @@ static void test_incremental_buffering(skiatest::Reporter* reporter, size_t buff
 }
 
 static void test_perfectly_sized_buffer(skiatest::Reporter* reporter, size_t bufferSize) {
-    SkMemoryStream* memStream = new SkMemoryStream(gAbcs, strlen(gAbcs), false);
-    std::unique_ptr<SkStream> bufferedStream(SkFrontBufferedStream::Create(memStream, bufferSize));
+    SkMemoryStream* memStream = SkMemoryStream::MakeDirect(gAbcs, strlen(gAbcs)).release();
+    auto bufferedStream = SkFrontBufferedStream::Make(std::unique_ptr<SkStream>(memStream),
+                                                      bufferSize);
     test_hasLength(reporter, *bufferedStream, *memStream);
 
     // Read exactly the amount that fits in the buffer.
@@ -101,8 +103,9 @@ static void test_perfectly_sized_buffer(skiatest::Reporter* reporter, size_t buf
 }
 
 static void test_skipping(skiatest::Reporter* reporter, size_t bufferSize) {
-    SkMemoryStream* memStream = new SkMemoryStream(gAbcs, strlen(gAbcs), false);
-    std::unique_ptr<SkStream> bufferedStream(SkFrontBufferedStream::Create(memStream, bufferSize));
+    SkMemoryStream* memStream = SkMemoryStream::MakeDirect(gAbcs, strlen(gAbcs)).release();
+    auto bufferedStream = SkFrontBufferedStream::Make(std::unique_ptr<SkStream>(memStream),
+                                                      bufferSize);
     test_hasLength(reporter, *bufferedStream, *memStream);
 
     // Skip half the buffer.
@@ -156,7 +159,8 @@ static void test_read_beyond_buffer(skiatest::Reporter* reporter, size_t bufferS
             new AndroidLikeMemoryStream((void*)gAbcs, bufferSize, false);
 
     // Create a buffer that matches the length of the stream.
-    std::unique_ptr<SkStream> bufferedStream(SkFrontBufferedStream::Create(memStream, bufferSize));
+    auto bufferedStream = SkFrontBufferedStream::Make(std::unique_ptr<SkStream>(memStream),
+                                                      bufferSize);
     test_hasLength(reporter, *bufferedStream.get(), *memStream);
 
     // Attempt to read one more than the bufferSize
@@ -203,7 +207,8 @@ static void test_length_combos(skiatest::Reporter* reporter, size_t bufferSize)
         for (int hasPos = 0; hasPos <= 1; hasPos++) {
             LengthOptionalStream* stream =
                     new LengthOptionalStream(SkToBool(hasLen), SkToBool(hasPos));
-            std::unique_ptr<SkStream> buffered(SkFrontBufferedStream::Create(stream, bufferSize));
+            auto buffered = SkFrontBufferedStream::Make(std::unique_ptr<SkStream>(stream),
+                                                        bufferSize);
             test_hasLength(reporter, *buffered.get(), *stream);
         }
     }
@@ -217,7 +222,8 @@ static void test_initial_offset(skiatest::Reporter* reporter, size_t bufferSize)
     // the stream it wraps.
     const size_t arbitraryOffset = 17;
     memStream->skip(arbitraryOffset);
-    std::unique_ptr<SkStream> bufferedStream(SkFrontBufferedStream::Create(memStream, bufferSize));
+    auto bufferedStream = SkFrontBufferedStream::Make(std::unique_ptr<SkStream>(memStream),
+                                                      bufferSize);
 
     // Since SkMemoryStream has a length, bufferedStream must also.
     REPORTER_ASSERT(reporter, bufferedStream->hasLength());
@@ -281,7 +287,7 @@ private:
 
 DEF_TEST(ShortFrontBufferedStream, reporter) {
     FailingStream* failingStream = new FailingStream;
-    std::unique_ptr<SkStreamRewindable> stream(SkFrontBufferedStream::Create(failingStream, 64));
+    auto stream = SkFrontBufferedStream::Make(std::unique_ptr<SkStream>(failingStream), 64);
 
     // This will fail to create a codec.  However, what we really want to test is that we
     // won't read past the end of the stream.
diff --git a/tests/StreamTest.cpp b/tests/StreamTest.cpp
index 8b5b2ae05a..2e8078e337 100644
--- a/tests/StreamTest.cpp
+++ b/tests/StreamTest.cpp
@@ -227,9 +227,9 @@ static void test_fully_peekable_stream(skiatest::Reporter* r, SkStream* stream,
 static void test_peeking_front_buffered_stream(skiatest::Reporter* r,
                                                const SkStream& original,
                                                size_t bufferSize) {
-    SkStream* dupe = original.duplicate();
+    std::unique_ptr<SkStream> dupe(original.duplicate());
     REPORTER_ASSERT(r, dupe != nullptr);
-    std::unique_ptr<SkStream> bufferedStream(SkFrontBufferedStream::Create(dupe, bufferSize));
+    auto bufferedStream = SkFrontBufferedStream::Make(std::move(dupe), bufferSize);
     REPORTER_ASSERT(r, bufferedStream != nullptr);
 
     size_t peeked = 0;
@@ -249,7 +249,11 @@ static void test_peeking_front_buffered_stream(skiatest::Reporter* r,
     }
 
     // Test that attempting to peek beyond the length of the buffer does not prevent rewinding.
+#ifdef SK_SUPPORT_LEGACY_STREAM_API
     bufferedStream.reset(SkFrontBufferedStream::Create(original.duplicate(), bufferSize));
+#else
+    bufferedStream = SkFrontBufferedStream::Make(original.duplicate(), bufferSize);
+#endif
     REPORTER_ASSERT(r, bufferedStream != nullptr);
 
     const size_t bytesToPeek = bufferSize + 1;