From 46aed739555d2f821691b323d46de7ad7a75d5e7 Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Mon, 20 Aug 2012 10:52:11 +0000 Subject: DataExtractor: Fix integer truncation issues in LEB128 extraction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162201 91177308-0d34-0410-b5e6-96231b3b80d8 --- unittests/Support/DataExtractorTest.cpp | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'unittests') diff --git a/unittests/Support/DataExtractorTest.cpp b/unittests/Support/DataExtractorTest.cpp index 9813e46..ec8bd3d 100644 --- a/unittests/Support/DataExtractorTest.cpp +++ b/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); } } -- cgit v1.1