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/*
* Copyright 2024 WebAssembly Community Group participants
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "parser/wat-parser.h"
#include "print-test.h"
#include "wasm-binary.h"
#include "gtest/gtest.h"
using namespace wasm;
using BinaryReaderTest = PrintTest;
// Check that debug location parsers can handle single-segment mappings.
TEST_F(BinaryReaderTest, SourceMappingSingleSegment) {
auto moduleText = "(module)";
Module module;
parseWast(module, moduleText);
BufferWithRandomAccess buffer;
WasmBinaryWriter(&module, buffer, PassOptions());
auto moduleBytes = buffer.getAsChars();
// A single-segment mapping starting at offset 0.
std::string sourceMap = R"(
{
"version": 3,
"sources": [],
"names": [],
"mappings": "A"
}
)";
std::stringstream sourceMapStream(sourceMap);
// Test `readSourceMapHeader` (only check for errors, as there is no mapping
// to print).
{
Module module;
WasmBinaryReader binaryReader(module, FeatureSet::All, moduleBytes);
binaryReader.setDebugLocations(&sourceMapStream);
binaryReader.readSourceMapHeader();
}
// Test `readNextDebugLocation`.
{
Module module;
WasmBinaryReader binaryReader(module, FeatureSet::All, moduleBytes);
binaryReader.setDebugLocations(&sourceMapStream);
binaryReader.readNextDebugLocation();
}
}
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