15a621a2f9
In the wasm streaming decoder error position test, do also check the error messages generated. This revealed messages that were not quite fitting and some that were formatted differently than the majority. R=ahaas@chromium.org Bug: v8:8814 Change-Id: If157f1083a104413bf14797ac56e756baac98c17 Reviewed-on: https://chromium-review.googlesource.com/c/1463780 Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#59604}
661 lines
22 KiB
C++
661 lines
22 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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struct MockStreamingResult {
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size_t num_sections = 0;
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size_t num_functions = 0;
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WasmError error;
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OwnedVector<uint8_t> received_bytes;
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bool ok() const { return !error.has_error(); }
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MockStreamingResult() = default;
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};
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class MockStreamingProcessor : public StreamingProcessor {
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public:
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explicit MockStreamingProcessor(MockStreamingResult* result)
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: result_(result) {}
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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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result_->error = WasmError(0, "expected wasm magic");
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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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result_->error = WasmError(4, "expected wasm version");
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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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++result_->num_sections;
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return true;
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}
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bool ProcessCodeSectionHeader(size_t num_functions, uint32_t offset,
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std::shared_ptr<WireBytesStorage>) 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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++result_->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(OwnedVector<uint8_t> bytes) override {
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result_->received_bytes = std::move(bytes);
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}
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// Report an error detected in the StreamingDecoder.
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void OnError(const WasmError& error) override {
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result_->error = error;
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CHECK(!result_->ok());
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}
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void OnAbort() override {}
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bool Deserialize(Vector<const uint8_t> module_bytes,
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Vector<const uint8_t> wire_bytes) override {
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return false;
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}
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private:
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MockStreamingResult* const result_;
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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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MockStreamingResult result;
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StreamingDecoder stream(
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base::make_unique<MockStreamingProcessor>(&result));
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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(result.ok());
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EXPECT_EQ(expected_sections, result.num_sections);
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EXPECT_EQ(expected_functions, result.num_functions);
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EXPECT_EQ(data, result.received_bytes.as_vector());
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}
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}
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void ExpectFailure(Vector<const uint8_t> data, const char* message) {
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for (int split = 0; split <= data.length(); ++split) {
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MockStreamingResult result;
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StreamingDecoder stream(
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base::make_unique<MockStreamingProcessor>(&result));
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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(result.ok());
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EXPECT_EQ(message, result.error.message());
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}
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}
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MockStreamingResult result;
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};
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TEST_F(WasmStreamingDecoderTest, EmptyStream) {
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MockStreamingResult result;
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StreamingDecoder stream(base::make_unique<MockStreamingProcessor>(&result));
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stream.Finish();
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EXPECT_FALSE(result.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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MockStreamingResult result;
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StreamingDecoder stream(base::make_unique<MockStreamingProcessor>(&result));
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stream.OnBytesReceived(Vector<const uint8_t>(data, 1));
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stream.Finish();
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EXPECT_FALSE(result.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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"unexpected end of stream");
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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), "expected wasm magic");
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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), "expected wasm version");
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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), "unexpected end of stream");
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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), "unexpected end of stream");
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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 (invalid 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), "expected section length");
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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), "invalid function length (0)");
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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), "code section cannot have size 0");
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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), "not all code section bytes were used");
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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), "not all code section bytes were used");
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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), "read past code section end");
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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
|
|
0x80, // --
|
|
0x00, // --
|
|
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), "invalid code section length");
|
|
}
|
|
|
|
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), "read past code section end");
|
|
}
|
|
|
|
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), "unexpected end of stream");
|
|
}
|
|
|
|
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), "not all code section bytes were used");
|
|
}
|
|
|
|
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), "section out of order");
|
|
}
|
|
|
|
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), "section out of order");
|
|
}
|
|
|
|
} // namespace wasm
|
|
} // namespace internal
|
|
} // namespace v8
|