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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-08-20 10:52:11 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-08-20 10:52:11 +0000 |
| commit | 1b07ab51e421a1598acc15e0cdaa4576aa610cb6 (patch) | |
| tree | 960007e22cecd4710d24623c51c3e8732c6c750c /llvm/unittests/Support/DataExtractorTest.cpp | |
| parent | 6e98cdebf4f2491b5d366d72ccb9b98d1373ff22 (diff) | |
| download | llvm-1b07ab51e421a1598acc15e0cdaa4576aa610cb6.zip llvm-1b07ab51e421a1598acc15e0cdaa4576aa610cb6.tar.gz llvm-1b07ab51e421a1598acc15e0cdaa4576aa610cb6.tar.bz2 | |
DataExtractor: Fix integer truncation issues in LEB128 extraction.
llvm-svn: 162201
Diffstat (limited to 'llvm/unittests/Support/DataExtractorTest.cpp')
| -rw-r--r-- | llvm/unittests/Support/DataExtractorTest.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/unittests/Support/DataExtractorTest.cpp b/llvm/unittests/Support/DataExtractorTest.cpp index 9813e46..ec8bd3d 100644 --- a/llvm/unittests/Support/DataExtractorTest.cpp +++ b/llvm/unittests/Support/DataExtractorTest.cpp @@ -16,6 +16,7 @@ namespace { const char numberData[] = "\x80\x90\xFF\xFF\x80\x00\x00\x00"; const char stringData[] = "hellohello\0hello"; const char leb128data[] = "\xA6\x49"; +const char bigleb128data[] = "\xAA\xA9\xFF\xAA\xFF\xAA\xFF\x4A"; TEST(DataExtractorTest, OffsetOverflow) { DataExtractor DE(StringRef(numberData, sizeof(numberData)-1), false, 8); @@ -106,6 +107,14 @@ TEST(DataExtractorTest, LEB128) { offset = 0; EXPECT_EQ(-7002LL, DE.getSLEB128(&offset)); EXPECT_EQ(2U, offset); + + DataExtractor BDE(StringRef(bigleb128data, sizeof(bigleb128data)-1), false,8); + offset = 0; + EXPECT_EQ(42218325750568106ULL, BDE.getULEB128(&offset)); + EXPECT_EQ(8U, offset); + offset = 0; + EXPECT_EQ(-29839268287359830LL, BDE.getSLEB128(&offset)); + EXPECT_EQ(8U, offset); } } |