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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "flutter/fml/mapping.h"
#include "flutter/testing/testing.h"
#include "impeller/blobcat/blob_library.h"
#include "impeller/blobcat/blob_writer.h"
namespace impeller {
namespace testing {
static std::shared_ptr<fml::Mapping> CreateMappingFromString(
std::string p_string) {
auto string = std::make_shared<std::string>(std::move(p_string));
return std::make_shared<fml::NonOwnedMapping>(
reinterpret_cast<const uint8_t*>(string->data()), string->size(),
[string](auto, auto) {});
}
const std::string CreateStringFromMapping(const fml::Mapping& mapping) {
return std::string{reinterpret_cast<const char*>(mapping.GetMapping()),
mapping.GetSize()};
}
TEST(BlobTest, CanReadAndWriteBlobs) {
BlobWriter writer;
ASSERT_TRUE(writer.AddBlob(BlobShaderType::kVertex, "Hello",
CreateMappingFromString("World")));
ASSERT_TRUE(writer.AddBlob(BlobShaderType::kFragment, "Foo",
CreateMappingFromString("Bar")));
ASSERT_TRUE(writer.AddBlob(BlobShaderType::kVertex, "Baz",
CreateMappingFromString("Bang")));
ASSERT_TRUE(writer.AddBlob(BlobShaderType::kVertex, "Ping",
CreateMappingFromString("Pong")));
ASSERT_TRUE(writer.AddBlob(BlobShaderType::kFragment, "Pang",
CreateMappingFromString("World")));
auto mapping = writer.CreateMapping();
ASSERT_NE(mapping, nullptr);
BlobLibrary library(mapping);
ASSERT_TRUE(library.IsValid());
ASSERT_EQ(library.GetShaderCount(), 5u);
// Wrong type.
ASSERT_EQ(library.GetMapping(BlobShaderType::kFragment, "Hello"), nullptr);
auto hello_vtx = library.GetMapping(BlobShaderType::kVertex, "Hello");
ASSERT_NE(hello_vtx, nullptr);
ASSERT_EQ(CreateStringFromMapping(*hello_vtx), "World");
}
} // namespace testing
} // namespace impeller