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-rw-r--r--lldb/include/lldb/Utility/StringExtractor.h7
-rw-r--r--lldb/unittests/Utility/StringExtractorTest.cpp165
2 files changed, 172 insertions, 0 deletions
diff --git a/lldb/include/lldb/Utility/StringExtractor.h b/lldb/include/lldb/Utility/StringExtractor.h
index afdae1d9175..86acb8efc3d 100644
--- a/lldb/include/lldb/Utility/StringExtractor.h
+++ b/lldb/include/lldb/Utility/StringExtractor.h
@@ -43,6 +43,13 @@ public:
const StringExtractor&
operator=(const StringExtractor& rhs);
+ void
+ Reset(llvm::StringRef str)
+ {
+ m_packet = str;
+ m_index = 0;
+ }
+
// Returns true if the file position is still valid for the data
// contained in this string extractor object.
bool
diff --git a/lldb/unittests/Utility/StringExtractorTest.cpp b/lldb/unittests/Utility/StringExtractorTest.cpp
index 79e6e78d75b..67a989c3443 100644
--- a/lldb/unittests/Utility/StringExtractorTest.cpp
+++ b/lldb/unittests/Utility/StringExtractorTest.cpp
@@ -260,6 +260,64 @@ TEST_F (StringExtractorTest, GetHexBytes)
ASSERT_EQ('x', *ex.Peek());
}
+TEST_F(StringExtractorTest, GetHexBytes_FullString)
+{
+ const char kHexEncodedBytes[] = "abcdef0123456789";
+ const size_t kValidHexPairs = 8;
+ StringExtractor ex(kHexEncodedBytes);
+
+ uint8_t dst[kValidHexPairs];
+ ASSERT_EQ(kValidHexPairs, ex.GetHexBytes(dst, 0xde));
+ EXPECT_EQ(0xab, dst[0]);
+ EXPECT_EQ(0xcd, dst[1]);
+ EXPECT_EQ(0xef, dst[2]);
+ EXPECT_EQ(0x01, dst[3]);
+ EXPECT_EQ(0x23, dst[4]);
+ EXPECT_EQ(0x45, dst[5]);
+ EXPECT_EQ(0x67, dst[6]);
+ EXPECT_EQ(0x89, dst[7]);
+}
+
+TEST_F(StringExtractorTest, GetHexBytes_OddPair)
+{
+ const char kHexEncodedBytes[] = "abcdef012345678w";
+ const size_t kValidHexPairs = 7;
+ StringExtractor ex(kHexEncodedBytes);
+
+ uint8_t dst[8];
+ ASSERT_EQ(kValidHexPairs, ex.GetHexBytes(dst, 0xde));
+ EXPECT_EQ(0xab, dst[0]);
+ EXPECT_EQ(0xcd, dst[1]);
+ EXPECT_EQ(0xef, dst[2]);
+ EXPECT_EQ(0x01, dst[3]);
+ EXPECT_EQ(0x23, dst[4]);
+ EXPECT_EQ(0x45, dst[5]);
+ EXPECT_EQ(0x67, dst[6]);
+
+ // This one should be invalid
+ EXPECT_EQ(0xde, dst[7]);
+}
+
+
+TEST_F(StringExtractorTest, GetHexBytes_OddPair2)
+{
+ const char kHexEncodedBytes[] = "abcdef012345678";
+ const size_t kValidHexPairs = 7;
+ StringExtractor ex(kHexEncodedBytes);
+
+ uint8_t dst[8];
+ ASSERT_EQ(kValidHexPairs, ex.GetHexBytes(dst, 0xde));
+ EXPECT_EQ(0xab, dst[0]);
+ EXPECT_EQ(0xcd, dst[1]);
+ EXPECT_EQ(0xef, dst[2]);
+ EXPECT_EQ(0x01, dst[3]);
+ EXPECT_EQ(0x23, dst[4]);
+ EXPECT_EQ(0x45, dst[5]);
+ EXPECT_EQ(0x67, dst[6]);
+
+ EXPECT_EQ(0xde, dst[7]);
+}
+
TEST_F (StringExtractorTest, GetHexBytes_Underflow)
{
const char kHexEncodedBytes[] = "abcdef0123456789xyzw";
@@ -343,6 +401,59 @@ TEST_F (StringExtractorTest, GetHexBytesAvail)
ASSERT_EQ('x', *ex.Peek());
}
+TEST_F(StringExtractorTest, GetHexBytesAvail_FullString)
+{
+ const char kHexEncodedBytes[] = "abcdef0123456789";
+ const size_t kValidHexPairs = 8;
+ StringExtractor ex(kHexEncodedBytes);
+
+ uint8_t dst[kValidHexPairs];
+ ASSERT_EQ(kValidHexPairs, ex.GetHexBytesAvail(dst));
+ EXPECT_EQ(0xab, dst[0]);
+ EXPECT_EQ(0xcd, dst[1]);
+ EXPECT_EQ(0xef, dst[2]);
+ EXPECT_EQ(0x01, dst[3]);
+ EXPECT_EQ(0x23, dst[4]);
+ EXPECT_EQ(0x45, dst[5]);
+ EXPECT_EQ(0x67, dst[6]);
+ EXPECT_EQ(0x89, dst[7]);
+}
+
+TEST_F(StringExtractorTest, GetHexBytesAvail_OddPair)
+{
+ const char kHexEncodedBytes[] = "abcdef012345678w";
+ const size_t kValidHexPairs = 7;
+ StringExtractor ex(kHexEncodedBytes);
+
+ uint8_t dst[8];
+ ASSERT_EQ(kValidHexPairs, ex.GetHexBytesAvail(dst));
+ EXPECT_EQ(0xab, dst[0]);
+ EXPECT_EQ(0xcd, dst[1]);
+ EXPECT_EQ(0xef, dst[2]);
+ EXPECT_EQ(0x01, dst[3]);
+ EXPECT_EQ(0x23, dst[4]);
+ EXPECT_EQ(0x45, dst[5]);
+ EXPECT_EQ(0x67, dst[6]);
+}
+
+
+TEST_F(StringExtractorTest, GetHexBytesAvail_OddPair2)
+{
+ const char kHexEncodedBytes[] = "abcdef012345678";
+ const size_t kValidHexPairs = 7;
+ StringExtractor ex(kHexEncodedBytes);
+
+ uint8_t dst[8];
+ ASSERT_EQ(kValidHexPairs, ex.GetHexBytesAvail(dst));
+ EXPECT_EQ(0xab, dst[0]);
+ EXPECT_EQ(0xcd, dst[1]);
+ EXPECT_EQ(0xef, dst[2]);
+ EXPECT_EQ(0x01, dst[3]);
+ EXPECT_EQ(0x23, dst[4]);
+ EXPECT_EQ(0x45, dst[5]);
+ EXPECT_EQ(0x67, dst[6]);
+}
+
TEST_F (StringExtractorTest, GetHexBytesAvail_Underflow)
{
const char kHexEncodedBytes[] = "abcdef0123456789xyzw";
@@ -457,3 +568,57 @@ TEST_F(StringExtractorTest, GetNameColonValueNoColon)
EXPECT_FALSE(ex.GetNameColonValue(name, value));
EXPECT_EQ(0, ex.GetBytesLeft());
}
+
+TEST_F(StringExtractorTest, GetU32LittleEndian)
+{
+ StringExtractor ex("ABCD");
+ EXPECT_EQ(0xCDAB, ex.GetHexMaxU32(true, 0));
+
+ ex.Reset("89ABCDEF");
+ EXPECT_EQ(0xEFCDAB89, ex.GetHexMaxU32(true, 0));
+
+ ex.Reset("123456789ABCDEF");
+ EXPECT_EQ(0, ex.GetHexMaxU32(true, 0));
+}
+
+TEST_F(StringExtractorTest, GetU32BigEndian)
+{
+ StringExtractor ex("ABCD");
+ EXPECT_EQ(0xABCD, ex.GetHexMaxU32(false, 0));
+
+ ex.Reset("89ABCDEF");
+ EXPECT_EQ(0x89ABCDEF, ex.GetHexMaxU32(false, 0));
+
+ ex.Reset("123456789ABCDEF");
+ EXPECT_EQ(0, ex.GetHexMaxU32(false, 0));
+}
+
+TEST_F(StringExtractorTest, GetU64LittleEndian)
+{
+ StringExtractor ex("ABCD");
+ EXPECT_EQ(0xCDAB, ex.GetHexMaxU64(true, 0));
+
+ ex.Reset("89ABCDEF");
+ EXPECT_EQ(0xEFCDAB89, ex.GetHexMaxU64(true, 0));
+
+ ex.Reset("123456789ABCDEF0");
+ EXPECT_EQ(0xF0DEBC9A78563412ULL, ex.GetHexMaxU64(true, 0));
+
+ ex.Reset("123456789ABCDEF000");
+ EXPECT_EQ(0, ex.GetHexMaxU64(true, 0));
+}
+
+TEST_F(StringExtractorTest, GetU64BigEndian)
+{
+ StringExtractor ex("ABCD");
+ EXPECT_EQ(0xABCDULL, ex.GetHexMaxU64(false, 0));
+
+ ex.Reset("89ABCDEF");
+ EXPECT_EQ(0x89ABCDEFULL, ex.GetHexMaxU64(false, 0));
+
+ ex.Reset("123456789ABCDEF0");
+ EXPECT_EQ(0x123456789ABCDEF0ULL, ex.GetHexMaxU64(false, 0));
+
+ ex.Reset("123456789ABCDEF000");
+ EXPECT_EQ(0, ex.GetHexMaxU64(false, 0));
+}
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