96ece3f8a0
Bug: v8:7109 Change-Id: Id71f85a38e6c4f37176e1a70bf5c1e584ee08c56 Reviewed-on: https://chromium-review.googlesource.com/803345 Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Commit-Queue: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#49818}
651 lines
21 KiB
C++
651 lines
21 KiB
C++
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "test/unittests/test-utils.h"
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#include "src/objects-inl.h"
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#include "src/wasm/module-decoder.h"
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#include "src/wasm/streaming-decoder.h"
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#include "src/objects/descriptor-array.h"
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#include "src/objects/dictionary.h"
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#include "test/common/wasm/wasm-macro-gen.h"
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namespace v8 {
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namespace internal {
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namespace wasm {
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class MockStreamingProcessor : public StreamingProcessor {
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public:
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bool ProcessModuleHeader(Vector<const uint8_t> bytes,
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uint32_t offset) override {
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// TODO(ahaas): Share code with the module-decoder.
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Decoder decoder(bytes.begin(), bytes.end());
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uint32_t magic_word = decoder.consume_u32("wasm magic");
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if (decoder.failed() || magic_word != kWasmMagic) {
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ok_ = false;
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return false;
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}
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uint32_t magic_version = decoder.consume_u32("wasm version");
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if (decoder.failed() || magic_version != kWasmVersion) {
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ok_ = false;
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return false;
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}
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return true;
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}
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// Process all sections but the code section.
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bool ProcessSection(SectionCode section_code, Vector<const uint8_t> bytes,
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uint32_t offset) override {
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++num_sections_;
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return true;
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}
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bool ProcessCodeSectionHeader(size_t num_functions,
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uint32_t offset) override {
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return true;
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}
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// Process a function body.
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bool ProcessFunctionBody(Vector<const uint8_t> bytes,
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uint32_t offset) override {
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++num_functions_;
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return true;
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}
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void OnFinishedChunk() override {}
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// Finish the processing of the stream.
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void OnFinishedStream(std::unique_ptr<uint8_t[]> bytes,
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size_t length) override {
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received_bytes_ = std::move(bytes);
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length_ = length;
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}
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// Report an error detected in the StreamingDecoder.
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void OnError(DecodeResult result) override { ok_ = false; }
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void OnAbort() override {}
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size_t num_sections() const { return num_sections_; }
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size_t num_functions() const { return num_functions_; }
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bool ok() const { return ok_; }
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Vector<const uint8_t> received_bytes() {
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return Vector<const uint8_t>(received_bytes_.get(), length_);
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}
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private:
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size_t num_sections_ = 0;
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size_t num_functions_ = 0;
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bool ok_ = true;
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std::unique_ptr<uint8_t[]> received_bytes_;
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size_t length_;
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};
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class WasmStreamingDecoderTest : public ::testing::Test {
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public:
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void ExpectVerifies(Vector<const uint8_t> data, size_t expected_sections,
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size_t expected_functions) {
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for (int split = 0; split <= data.length(); ++split) {
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// Use a unique_ptr so that the StreamingDecoder can own the processor.
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std::unique_ptr<MockStreamingProcessor> p(new MockStreamingProcessor());
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MockStreamingProcessor* processor = p.get();
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StreamingDecoder stream(std::move(p));
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stream.OnBytesReceived(data.SubVector(0, split));
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stream.OnBytesReceived(data.SubVector(split, data.length()));
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stream.Finish();
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EXPECT_TRUE(processor->ok());
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EXPECT_EQ(expected_sections, processor->num_sections());
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EXPECT_EQ(expected_functions, processor->num_functions());
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EXPECT_EQ(data, processor->received_bytes());
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}
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}
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void ExpectFailure(Vector<const uint8_t> data) {
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for (int split = 0; split <= data.length(); ++split) {
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std::unique_ptr<MockStreamingProcessor> p(new MockStreamingProcessor());
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MockStreamingProcessor* processor = p.get();
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StreamingDecoder stream(std::move(p));
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stream.OnBytesReceived(data.SubVector(0, split));
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stream.OnBytesReceived(data.SubVector(split, data.length()));
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stream.Finish();
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EXPECT_FALSE(processor->ok());
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}
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}
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};
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TEST_F(WasmStreamingDecoderTest, EmptyStream) {
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std::unique_ptr<MockStreamingProcessor> p(new MockStreamingProcessor());
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MockStreamingProcessor* processor = p.get();
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StreamingDecoder stream(std::move(p));
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stream.Finish();
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EXPECT_FALSE(processor->ok());
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}
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TEST_F(WasmStreamingDecoderTest, IncompleteModuleHeader) {
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const uint8_t data[] = {U32_LE(kWasmMagic), U32_LE(kWasmVersion)};
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{
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std::unique_ptr<MockStreamingProcessor> p(new MockStreamingProcessor());
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MockStreamingProcessor* processor = p.get();
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StreamingDecoder stream(std::move(p));
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stream.OnBytesReceived(Vector<const uint8_t>(data, 1));
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stream.Finish();
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EXPECT_FALSE(processor->ok());
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}
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for (int length = 1; length < static_cast<int>(arraysize(data)); ++length) {
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ExpectFailure(Vector<const uint8_t>(data, length));
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}
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}
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TEST_F(WasmStreamingDecoderTest, MagicAndVersion) {
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const uint8_t data[] = {U32_LE(kWasmMagic), U32_LE(kWasmVersion)};
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ExpectVerifies(ArrayVector(data), 0, 0);
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}
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TEST_F(WasmStreamingDecoderTest, BadMagic) {
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for (uint32_t x = 1; x; x <<= 1) {
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const uint8_t data[] = {U32_LE(kWasmMagic ^ x), U32_LE(kWasmVersion)};
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ExpectFailure(ArrayVector(data));
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}
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}
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TEST_F(WasmStreamingDecoderTest, BadVersion) {
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for (uint32_t x = 1; x; x <<= 1) {
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const uint8_t data[] = {U32_LE(kWasmMagic), U32_LE(kWasmVersion ^ x)};
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ExpectFailure(ArrayVector(data));
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}
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}
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TEST_F(WasmStreamingDecoderTest, OneSection) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x6, // Section Length
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0x0, // Payload
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0 // 6
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};
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ExpectVerifies(ArrayVector(data), 1, 0);
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}
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TEST_F(WasmStreamingDecoderTest, OneSection_b) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x86, // Section Length = 6 (LEB)
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0x0, // --
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0x0, // Payload
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0 // 6
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};
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ExpectVerifies(ArrayVector(data), 1, 0);
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}
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TEST_F(WasmStreamingDecoderTest, OneShortSection) {
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// Short section means that section length + payload is less than 5 bytes,
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// which is the maximum size of the length field.
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x2, // Section Length
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0x0, // Payload
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0x0 // 2
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};
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ExpectVerifies(ArrayVector(data), 1, 0);
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}
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TEST_F(WasmStreamingDecoderTest, OneShortSection_b) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x82, // Section Length = 2 (LEB)
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0x80, // --
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0x0, // --
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0x0, // Payload
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0x0 // 2
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};
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ExpectVerifies(ArrayVector(data), 1, 0);
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}
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TEST_F(WasmStreamingDecoderTest, OneEmptySection) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x0 // Section Length
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};
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ExpectVerifies(ArrayVector(data), 1, 0);
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}
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TEST_F(WasmStreamingDecoderTest, OneSectionNotEnoughPayload1) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x6, // Section Length
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0x0, // Payload
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0 // 5
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};
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ExpectFailure(ArrayVector(data));
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}
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TEST_F(WasmStreamingDecoderTest, OneSectionNotEnoughPayload2) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x6, // Section Length
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0x0 // Payload
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};
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ExpectFailure(ArrayVector(data));
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}
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TEST_F(WasmStreamingDecoderTest, OneSectionInvalidLength) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x80, // Section Length (0 in LEB)
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0x80, // --
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0x80, // --
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0x80, // --
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0x80, // --
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};
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ExpectFailure(ArrayVector(data));
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}
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TEST_F(WasmStreamingDecoderTest, TwoLongSections) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x6, // Section Length
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0x0, // Payload
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0, // 6
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0x2, // Section ID
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0x7, // Section Length
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0x0, // Payload
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0, // 6
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0x0 // 7
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};
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ExpectVerifies(ArrayVector(data), 2, 0);
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}
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TEST_F(WasmStreamingDecoderTest, TwoShortSections) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x1, // Section Length
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0x0, // Payload
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0x2, // Section ID
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0x2, // Section Length
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0x0, // Payload
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0x0, // 2
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};
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ExpectVerifies(ArrayVector(data), 2, 0);
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}
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TEST_F(WasmStreamingDecoderTest, TwoSectionsShortLong) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x1, // Section Length
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0x0, // Payload
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0x2, // Section ID
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0x7, // Section Length
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0x0, // Payload
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0, // 6
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0x0 // 7
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};
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ExpectVerifies(ArrayVector(data), 2, 0);
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}
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TEST_F(WasmStreamingDecoderTest, TwoEmptySections) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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0x1, // Section ID
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0x0, // Section Length
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0x2, // Section ID
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0x0 // Section Length
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};
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ExpectVerifies(ArrayVector(data), 2, 0);
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}
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TEST_F(WasmStreamingDecoderTest, OneFunction) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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kCodeSectionCode, // Section ID
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0x8, // Section Length
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0x1, // Number of Functions
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0x6, // Function Length
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0x0, // Function
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0, // 6
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};
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ExpectVerifies(ArrayVector(data), 0, 1);
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}
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TEST_F(WasmStreamingDecoderTest, OneShortFunction) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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kCodeSectionCode, // Section ID
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0x3, // Section Length
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0x1, // Number of Functions
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0x1, // Function Length
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0x0, // Function
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};
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ExpectVerifies(ArrayVector(data), 0, 1);
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}
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TEST_F(WasmStreamingDecoderTest, EmptyFunction) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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kCodeSectionCode, // Section ID
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0x2, // Section Length
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0x1, // Number of Functions
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0x0, // Function Length
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};
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ExpectFailure(ArrayVector(data));
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}
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TEST_F(WasmStreamingDecoderTest, TwoFunctions) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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kCodeSectionCode, // Section ID
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0x10, // Section Length
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0x2, // Number of Functions
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0x6, // Function Length
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0x0, // Function
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0, // 6
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0x7, // Function Length
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0x0, // Function
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0, // 6
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0x0, // 7
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};
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ExpectVerifies(ArrayVector(data), 0, 2);
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}
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TEST_F(WasmStreamingDecoderTest, TwoFunctions_b) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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kCodeSectionCode, // Section ID
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0xB, // Section Length
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0x2, // Number of Functions
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0x1, // Function Length
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0x0, // Function
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0x7, // Function Length
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0x0, // Function
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0, // 6
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0x0, // 7
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};
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ExpectVerifies(ArrayVector(data), 0, 2);
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}
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TEST_F(WasmStreamingDecoderTest, CodeSectionLengthZero) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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kCodeSectionCode, // Section ID
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0x0, // Section Length
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};
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ExpectFailure(ArrayVector(data));
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}
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TEST_F(WasmStreamingDecoderTest, CodeSectionLengthTooHigh) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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kCodeSectionCode, // Section ID
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0xD, // Section Length
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0x2, // Number of Functions
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0x7, // Function Length
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0x0, // Function
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0, // 6
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0x0, // 7
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0x1, // Function Length
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0x0, // Function
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};
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ExpectFailure(ArrayVector(data));
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}
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TEST_F(WasmStreamingDecoderTest, CodeSectionLengthTooHighZeroFunctions) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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kCodeSectionCode, // Section ID
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0xD, // Section Length
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0x0, // Number of Functions
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};
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ExpectFailure(ArrayVector(data));
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}
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TEST_F(WasmStreamingDecoderTest, CodeSectionLengthTooLow) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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kCodeSectionCode, // Section ID
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0x9, // Section Length
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0x2, // Number of Functions
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0x7, // Function Length
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0x0, // Function
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0, // 6
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0x0, // 7
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0x1, // Function Length
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0x0, // Function
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};
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ExpectFailure(ArrayVector(data));
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}
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TEST_F(WasmStreamingDecoderTest, CodeSectionLengthTooLowEndsInNumFunctions) {
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const uint8_t data[] = {
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U32_LE(kWasmMagic), // --
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U32_LE(kWasmVersion), // --
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kCodeSectionCode, // Section ID
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0x1, // Section Length
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0x82, // Number of Functions
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0x80, // --
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0x00, // --
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0x7, // Function Length
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0x0, // Function
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0x0, // 2
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0x0, // 3
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0x0, // 4
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0x0, // 5
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0x0, // 6
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0x0, // 7
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0x1, // Function Length
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0x0, // Function
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};
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|
ExpectFailure(ArrayVector(data));
|
|
}
|
|
|
|
TEST_F(WasmStreamingDecoderTest, CodeSectionLengthTooLowEndsInFunctionLength) {
|
|
const uint8_t data[] = {
|
|
U32_LE(kWasmMagic), // --
|
|
U32_LE(kWasmVersion), // --
|
|
kCodeSectionCode, // Section ID
|
|
0x5, // Section Length
|
|
0x82, // Number of Functions
|
|
0x80, // --
|
|
0x00, // --
|
|
0x87, // Function Length
|
|
0x80, // --
|
|
0x00, // --
|
|
0x0, // Function
|
|
0x0, // 2
|
|
0x0, // 3
|
|
0x0, // 4
|
|
0x0, // 5
|
|
0x0, // 6
|
|
0x0, // 7
|
|
0x1, // Function Length
|
|
0x0, // Function
|
|
};
|
|
ExpectFailure(ArrayVector(data));
|
|
}
|
|
|
|
TEST_F(WasmStreamingDecoderTest, NumberOfFunctionsTooHigh) {
|
|
const uint8_t data[] = {
|
|
U32_LE(kWasmMagic), // --
|
|
U32_LE(kWasmVersion), // --
|
|
kCodeSectionCode, // Section ID
|
|
0xB, // Section Length
|
|
0x4, // Number of Functions
|
|
0x7, // Function Length
|
|
0x0, // Function
|
|
0x0, // 2
|
|
0x0, // 3
|
|
0x0, // 4
|
|
0x0, // 5
|
|
0x0, // 6
|
|
0x0, // 7
|
|
0x1, // Function Length
|
|
0x0, // Function
|
|
};
|
|
ExpectFailure(ArrayVector(data));
|
|
}
|
|
|
|
TEST_F(WasmStreamingDecoderTest, NumberOfFunctionsTooLow) {
|
|
const uint8_t data[] = {
|
|
U32_LE(kWasmMagic), // --
|
|
U32_LE(kWasmVersion), // --
|
|
kCodeSectionCode, // Section ID
|
|
0xE, // Section Length
|
|
0x2, // Number of Functions
|
|
0x1, // Function Length
|
|
0x0, // Function
|
|
0x2, // Function Length
|
|
0x0, // Function
|
|
0x0, // 2
|
|
0x7, // Function Length
|
|
0x0, // Function
|
|
0x0, // 2
|
|
0x0, // 3
|
|
0x0, // 4
|
|
0x0, // 5
|
|
0x0, // 6
|
|
0x0, // 7
|
|
};
|
|
ExpectFailure(ArrayVector(data));
|
|
}
|
|
|
|
TEST_F(WasmStreamingDecoderTest, TwoCodeSections) {
|
|
const uint8_t data[] = {
|
|
U32_LE(kWasmMagic), // --
|
|
U32_LE(kWasmVersion), // --
|
|
kCodeSectionCode, // Section ID
|
|
0x3, // Section Length
|
|
0x1, // Number of Functions
|
|
0x1, // Function Length
|
|
0x0, // Function
|
|
kCodeSectionCode, // Section ID
|
|
0x3, // Section Length
|
|
0x1, // Number of Functions
|
|
0x1, // Function Length
|
|
0x0, // Function
|
|
};
|
|
ExpectFailure(ArrayVector(data));
|
|
}
|
|
|
|
TEST_F(WasmStreamingDecoderTest, UnknownSection) {
|
|
const uint8_t data[] = {
|
|
U32_LE(kWasmMagic), // --
|
|
U32_LE(kWasmVersion), // --
|
|
kCodeSectionCode, // Section ID
|
|
0x3, // Section Length
|
|
0x1, // Number of Functions
|
|
0x1, // Function Length
|
|
0x0, // Function
|
|
kUnknownSectionCode, // Section ID
|
|
0x3, // Section Length
|
|
0x1, // Name Length
|
|
0x1, // Name
|
|
0x0, // Content
|
|
};
|
|
ExpectVerifies(ArrayVector(data), 1, 1);
|
|
}
|
|
|
|
TEST_F(WasmStreamingDecoderTest, UnknownSectionSandwich) {
|
|
const uint8_t data[] = {
|
|
U32_LE(kWasmMagic), // --
|
|
U32_LE(kWasmVersion), // --
|
|
kCodeSectionCode, // Section ID
|
|
0x3, // Section Length
|
|
0x1, // Number of Functions
|
|
0x1, // Function Length
|
|
0x0, // Function
|
|
kUnknownSectionCode, // Section ID
|
|
0x3, // Section Length
|
|
0x1, // Name Length
|
|
0x1, // Name
|
|
0x0, // Content
|
|
kCodeSectionCode, // Section ID
|
|
0x3, // Section Length
|
|
0x1, // Number of Functions
|
|
0x1, // Function Length
|
|
0x0, // Function
|
|
};
|
|
ExpectFailure(ArrayVector(data));
|
|
}
|
|
|
|
} // namespace wasm
|
|
} // namespace internal
|
|
} // namespace v8
|