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Added test cases for UTF8 validation. Fixed a bug in validation.

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git-svn-id: https://rapidjson.googlecode.com/svn/trunk@33 c5894555-1306-4e8d-425f-1f6f381ee07c
This commit is contained in:
miloyip@gmail.com
2011-11-23 16:13:32 +00:00
parent 25eeff24f3
commit 77ce51209f
2 changed files with 67 additions and 20 deletions
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85
test/unittest/readertest.cpp
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@@ -286,35 +286,82 @@ TEST(Reader, ParseString_NonDestructive) {
EXPECT_EQ(11, h.length_);
}
TEST(Reader, ParseString_Error) {
#define TEST_STRING_ERROR(str) \
{ \
char buffer[1001]; \
strncpy(buffer, str, 1000); \
InsituStringStream s(buffer); \
BaseReaderHandler<> h; \
Reader reader; \
EXPECT_FALSE(reader.Parse<kParseValidateEncodingFlag>(s, h)); \
}
bool TestString(const char* str) {
StringStream s(str);
BaseReaderHandler<> h;
Reader reader;
return reader.Parse<kParseValidateEncodingFlag>(s, h);
}
TEST(Reader, ParseString_Error) {
#define ARRAY(...) { __VA_ARGS__ }
#define TEST_STRINGARRAY_ERROR(Encoding, array) \
{ \
static const Encoding::Ch e[] = array; \
TEST_STRING_ERROR(e); \
EXPECT_FALSE(TestString(e)); \
}
TEST_STRING_ERROR("[\"\\a\"]"); // Unknown escape character
TEST_STRING_ERROR("[\"\\uABCG\"]"); // Incorrect hex digit after \\u escape
TEST_STRING_ERROR("[\"\\uD800X\"]"); // Missing the second \\u in surrogate pair
TEST_STRING_ERROR("[\"\\uD800\\uFFFF\"]"); // The second \\u in surrogate pair is invalid
TEST_STRING_ERROR("[\"Test]"); // lacks ending quotation before the end of string
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', 0x80u, ']')); // Incorrect UTF8 sequence
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', 0xC0u, 0x40, ']')); // Incorrect UTF8 sequence
EXPECT_FALSE(TestString("[\"\\a\"]")); // Unknown escape character
EXPECT_FALSE(TestString("[\"\\uABCG\"]")); // Incorrect hex digit after \\u escape
EXPECT_FALSE(TestString("[\"\\uD800X\"]")); // Missing the second \\u in surrogate pair
EXPECT_FALSE(TestString("[\"\\uD800\\uFFFF\"]")); // The second \\u in surrogate pair is invalid
EXPECT_FALSE(TestString("[\"Test]")); // lacks ending quotation before the end of string
// http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
// 3 Malformed sequences
// 3.1 Unexpected continuation bytes
{
char e[] = { '[', '\"', 0, '\"', ']', '\0' };
for (unsigned char c = 0x80u; c <= 0xBFu; c++) {
e[2] = c;
bool b;
EXPECT_FALSE(b = TestString(e));
if (b)
std::cout << (unsigned)(unsigned char)c << std::endl;
}
}
// 3.2 Lonely start characters, 3.5 Impossible bytes
{
char e[] = { '[', '\"', 0, ' ', '\"', ']', '\0' };
for (unsigned c = 0xC0u; c <= 0xFFu; c++) {
e[2] = (char)c;
EXPECT_FALSE(TestString(e));
}
}
// 4 Overlong sequences
// 4.1 Examples of an overlong ASCII character
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xC0u, 0xAFu, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xE0u, 0x80u, 0xAFu, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xF0u, 0x80u, 0x80u, 0xAFu, '\"', ']', '\0'));
// 4.2 Maximum overlong sequences
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xC1u, 0xBFu, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xE0u, 0x9Fu, 0xBFu, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xF0u, 0x8Fu, 0xBFu, 0xBFu, '\"', ']', '\0'));
// 4.3 Overlong representation of the NUL character
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xC0u, 0x80u, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xE0u, 0x80u, 0x80u, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xF0u, 0x80u, 0x80u, 0x80u, '\"', ']', '\0'));
// 5 Illegal code positions
// 5.1 Single UTF-16 surrogates
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xEDu, 0xA0u, 0x80u, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xEDu, 0xADu, 0xBFu, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xEDu, 0xAEu, 0x80u, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xEDu, 0xAFu, 0xBFu, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xEDu, 0xB0u, 0x80u, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xEDu, 0xBEu, 0x80u, '\"', ']', '\0'));
TEST_STRINGARRAY_ERROR(UTF8<>, ARRAY('[', '\"', 0xEDu, 0xBFu, 0xBFu, '\"', ']', '\0'));
#undef ARRAY
#undef TEST_STRINGARRAY_ERROR
#undef TEST_STRING_ERROR
}
template <unsigned count>