| 37 | } // End of anonymous namespace |
| 38 | |
| 39 | TEST(BinaryReader, DisabledOpcodes) { |
| 40 | // Use the default features. |
| 41 | ReadBinaryOptions options; |
| 42 | |
| 43 | // Loop through all opcodes. |
| 44 | for (uint32_t i = 0; i < static_cast<uint32_t>(Opcode::Invalid); ++i) { |
| 45 | Opcode opcode(static_cast<Opcode::Enum>(i)); |
| 46 | if (opcode.IsEnabled(options.features)) { |
| 47 | continue; |
| 48 | } |
| 49 | |
| 50 | // Use a shorter name to make the clang-formatted table below look nicer. |
| 51 | std::vector<uint8_t> b = opcode.GetBytes(); |
| 52 | assert(b.size() <= 3); |
| 53 | b.resize(3); |
| 54 | |
| 55 | uint8_t data[] = { |
| 56 | 0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, // magic + version |
| 57 | 0x01, 0x04, 0x01, 0x60, 0x00, 0x00, // type section: 1 type, (func) |
| 58 | 0x03, 0x02, 0x01, 0x00, // func section: 1 func, type 0 |
| 59 | 0x0a, 0x07, 0x01, 0x05, 0x00, // code section: 1 func, 0 locals |
| 60 | b[0], b[1], b[2], // The instruction, padded with zeroes |
| 61 | 0x0b, // end |
| 62 | }; |
| 63 | const size_t size = sizeof(data); |
| 64 | |
| 65 | BinaryReaderError reader; |
| 66 | Result result = ReadBinary(data, size, &reader, options); |
| 67 | EXPECT_EQ(Result::Error, result); |
| 68 | |
| 69 | // This relies on the binary reader checking whether the opcode is allowed |
| 70 | // before reading any further data needed by the instruction. |
| 71 | const std::string& message = reader.first_error.message; |
| 72 | EXPECT_EQ(0u, message.find("unexpected opcode")) |
| 73 | << "Got error message: " << message; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | TEST(BinaryReader, InvalidFunctionBodySize) { |
| 78 | // A wasm module where the function body size extends past the end of the |