| //===- DXContainerTest.cpp - Tests for DXContainerFile --------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/Object/DXContainer.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/BinaryFormat/Magic.h" |
| #include "llvm/Support/MemoryBufferRef.h" |
| #include "llvm/Testing/Support/Error.h" |
| #include "gtest/gtest.h" |
| |
| using namespace llvm; |
| using namespace llvm::object; |
| |
| template <std::size_t X> MemoryBufferRef getMemoryBuffer(uint8_t Data[X]) { |
| StringRef Obj(reinterpret_cast<char *>(&Data[0]), X); |
| return MemoryBufferRef(Obj, ""); |
| } |
| |
| TEST(DXCFile, IdentifyMagic) { |
| { |
| StringRef Buffer("DXBC"); |
| EXPECT_EQ(identify_magic(Buffer), file_magic::dxcontainer_object); |
| } |
| { |
| StringRef Buffer("DXBCBlahBlahBlah"); |
| EXPECT_EQ(identify_magic(Buffer), file_magic::dxcontainer_object); |
| } |
| } |
| |
| TEST(DXCFile, ParseHeaderErrors) { |
| uint8_t Buffer[] = {0x44, 0x58, 0x42, 0x43}; |
| EXPECT_THAT_EXPECTED( |
| DXContainer::create(getMemoryBuffer<4>(Buffer)), |
| FailedWithMessage("Reading structure out of file bounds")); |
| } |
| |
| TEST(DXCFile, EmptyFile) { |
| EXPECT_THAT_EXPECTED( |
| DXContainer::create(MemoryBufferRef(StringRef("", 0), "")), |
| FailedWithMessage("Reading structure out of file bounds")); |
| } |
| |
| TEST(DXCFile, ParseHeader) { |
| uint8_t Buffer[] = {0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, |
| 0x70, 0x0D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| DXContainer C = |
| llvm::cantFail(DXContainer::create(getMemoryBuffer<32>(Buffer))); |
| EXPECT_TRUE(memcmp(C.getHeader().Magic, "DXBC", 4) == 0); |
| EXPECT_TRUE(memcmp(C.getHeader().FileHash.Digest, |
| "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16) == 0); |
| EXPECT_EQ(C.getHeader().Version.Major, 1u); |
| EXPECT_EQ(C.getHeader().Version.Minor, 0u); |
| } |
| |
| TEST(DXCFile, ParsePartMissingOffsets) { |
| uint8_t Buffer[] = { |
| 0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, |
| 0x00, 0x00, 0x70, 0x0D, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, |
| }; |
| EXPECT_THAT_EXPECTED( |
| DXContainer::create(getMemoryBuffer<32>(Buffer)), |
| FailedWithMessage("Reading structure out of file bounds")); |
| } |
| |
| TEST(DXCFile, ParsePartInvalidOffsets) { |
| // This test covers a case where the part offset is beyond the buffer size. |
| uint8_t Buffer[] = { |
| 0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, |
| 0x70, 0x0D, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, |
| }; |
| EXPECT_THAT_EXPECTED( |
| DXContainer::create(getMemoryBuffer<36>(Buffer)), |
| FailedWithMessage("Part offset points beyond boundary of the file")); |
| } |
| |
| TEST(DXCFile, ParsePartTooSmallBuffer) { |
| // This test covers a case where there is insufficent space to read a full |
| // part name, but the offset for the part is inside the buffer. |
| uint8_t Buffer[] = {0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, |
| 0x26, 0x0D, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, |
| 0x24, 0x00, 0x00, 0x00, 0x46, 0x4B}; |
| EXPECT_THAT_EXPECTED( |
| DXContainer::create(getMemoryBuffer<38>(Buffer)), |
| FailedWithMessage("File not large enough to read part name")); |
| } |
| |
| TEST(DXCFile, ParsePartNoSize) { |
| // This test covers a case where the part's header is readable, but the size |
| // the part extends beyond the boundaries of the file. |
| uint8_t Buffer[] = {0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x28, 0x0D, 0x00, |
| 0x00, 0x01, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, |
| 0x46, 0x4B, 0x45, 0x30, 0x00, 0x00}; |
| EXPECT_THAT_EXPECTED( |
| DXContainer::create(getMemoryBuffer<42>(Buffer)), |
| FailedWithMessage("Reading part size out of file bounds")); |
| } |
| |
| TEST(DXCFile, ParseOverlappingParts) { |
| // This test covers a case where a part's offset is inside the size range |
| // covered by the previous part. |
| uint8_t Buffer[] = { |
| 0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, |
| 0x40, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, |
| 0x2C, 0x00, 0x00, 0x00, 0x46, 0x4B, 0x45, 0x30, 0x08, 0x00, 0x00, 0x00, |
| 0x46, 0x4B, 0x45, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| EXPECT_THAT_EXPECTED( |
| DXContainer::create(getMemoryBuffer<60>(Buffer)), |
| FailedWithMessage( |
| "Part offset for part 1 begins before the previous part ends")); |
| } |
| |
| TEST(DXCFile, ParseEmptyParts) { |
| uint8_t Buffer[] = { |
| 0x44, 0x58, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, |
| 0x70, 0x0D, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x3C, 0x00, 0x00, 0x00, |
| 0x44, 0x00, 0x00, 0x00, 0x4C, 0x00, 0x00, 0x00, 0x54, 0x00, 0x00, 0x00, |
| 0x5C, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x6C, 0x00, 0x00, 0x00, |
| 0x46, 0x4B, 0x45, 0x30, 0x00, 0x00, 0x00, 0x00, 0x46, 0x4B, 0x45, 0x31, |
| 0x00, 0x00, 0x00, 0x00, 0x46, 0x4B, 0x45, 0x32, 0x00, 0x00, 0x00, 0x00, |
| 0x46, 0x4B, 0x45, 0x33, 0x00, 0x00, 0x00, 0x00, 0x46, 0x4B, 0x45, 0x34, |
| 0x00, 0x00, 0x00, 0x00, 0x46, 0x4B, 0x45, 0x35, 0x00, 0x00, 0x00, 0x00, |
| 0x46, 0x4B, 0x45, 0x36, 0x00, 0x00, 0x00, 0x00, |
| }; |
| DXContainer C = |
| llvm::cantFail(DXContainer::create(getMemoryBuffer<116>(Buffer))); |
| EXPECT_EQ(C.getHeader().PartCount, 7u); |
| |
| // All the part sizes are 0, which makes a nice test of the range based for |
| int ElementsVisited = 0; |
| for (auto Part : C) { |
| EXPECT_EQ(Part.Part.Size, 0u); |
| EXPECT_EQ(Part.Data.size(), 0u); |
| ++ElementsVisited; |
| } |
| EXPECT_EQ(ElementsVisited, 7); |
| |
| { |
| // These are all intended to be fake part names so that the parser doesn't |
| // try to parse the part data. |
| auto It = C.begin(); |
| EXPECT_TRUE(memcmp(It->Part.Name, "FKE0", 4) == 0); |
| ++It; |
| EXPECT_TRUE(memcmp(It->Part.Name, "FKE1", 4) == 0); |
| ++It; |
| EXPECT_TRUE(memcmp(It->Part.Name, "FKE2", 4) == 0); |
| ++It; |
| EXPECT_TRUE(memcmp(It->Part.Name, "FKE3", 4) == 0); |
| ++It; |
| EXPECT_TRUE(memcmp(It->Part.Name, "FKE4", 4) == 0); |
| ++It; |
| EXPECT_TRUE(memcmp(It->Part.Name, "FKE5", 4) == 0); |
| ++It; |
| EXPECT_TRUE(memcmp(It->Part.Name, "FKE6", 4) == 0); |
| ++It; // Don't increment past the end |
| EXPECT_TRUE(memcmp(It->Part.Name, "FKE6", 4) == 0); |
| } |
| } |