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-rw-r--r--googletest/src/gtest-printers.cc136
1 files changed, 79 insertions, 57 deletions
diff --git a/googletest/src/gtest-printers.cc b/googletest/src/gtest-printers.cc
index 1b68fcb5..e3acecba 100644
--- a/googletest/src/gtest-printers.cc
+++ b/googletest/src/gtest-printers.cc
@@ -27,7 +27,6 @@
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
// Google Test - The Google C++ Testing and Mocking Framework
//
// This file implements a universal value printer that can print a
@@ -48,6 +47,8 @@
#include <cctype>
#include <cstdint>
#include <cwchar>
+#include <iomanip>
+#include <ios>
#include <ostream> // NOLINT
#include <string>
#include <type_traits>
@@ -101,7 +102,7 @@ void PrintBytesInObjectToImpl(const unsigned char* obj_bytes, size_t count,
PrintByteSegmentInObjectTo(obj_bytes, 0, kChunkSize, os);
*os << " ... ";
// Rounds up to 2-byte boundary.
- const size_t resume_pos = (count - kChunkSize + 1)/2*2;
+ const size_t resume_pos = (count - kChunkSize + 1) / 2 * 2;
PrintByteSegmentInObjectTo(obj_bytes, resume_pos, count - resume_pos, os);
}
*os << ">";
@@ -136,11 +137,7 @@ void PrintBytesInObjectTo(const unsigned char* obj_bytes, size_t count,
// - as is if it's a printable ASCII (e.g. 'a', '2', ' '),
// - as a hexadecimal escape sequence (e.g. '\x7F'), or
// - as a special escape sequence (e.g. '\r', '\n').
-enum CharFormat {
- kAsIs,
- kHexEscape,
- kSpecialEscape
-};
+enum CharFormat { kAsIs, kHexEscape, kSpecialEscape };
// Returns true if c is a printable ASCII character. We test the
// value of c directly instead of calling isprint(), which is buggy on
@@ -213,35 +210,21 @@ static CharFormat PrintAsStringLiteralTo(char32_t c, ostream* os) {
}
}
-static const char* GetCharWidthPrefix(char) {
- return "";
-}
+static const char* GetCharWidthPrefix(char) { return ""; }
-static const char* GetCharWidthPrefix(signed char) {
- return "";
-}
+static const char* GetCharWidthPrefix(signed char) { return ""; }
-static const char* GetCharWidthPrefix(unsigned char) {
- return "";
-}
+static const char* GetCharWidthPrefix(unsigned char) { return ""; }
-#ifdef __cpp_char8_t
-static const char* GetCharWidthPrefix(char8_t) {
- return "u8";
-}
+#ifdef __cpp_lib_char8_t
+static const char* GetCharWidthPrefix(char8_t) { return "u8"; }
#endif
-static const char* GetCharWidthPrefix(char16_t) {
- return "u";
-}
+static const char* GetCharWidthPrefix(char16_t) { return "u"; }
-static const char* GetCharWidthPrefix(char32_t) {
- return "U";
-}
+static const char* GetCharWidthPrefix(char32_t) { return "U"; }
-static const char* GetCharWidthPrefix(wchar_t) {
- return "L";
-}
+static const char* GetCharWidthPrefix(wchar_t) { return "L"; }
// Prints a char c as if it's part of a string literal, escaping it when
// necessary; returns how c was formatted.
@@ -249,7 +232,7 @@ static CharFormat PrintAsStringLiteralTo(char c, ostream* os) {
return PrintAsStringLiteralTo(ToChar32(c), os);
}
-#ifdef __cpp_char8_t
+#ifdef __cpp_lib_char8_t
static CharFormat PrintAsStringLiteralTo(char8_t c, ostream* os) {
return PrintAsStringLiteralTo(ToChar32(c), os);
}
@@ -276,8 +259,7 @@ void PrintCharAndCodeTo(Char c, ostream* os) {
// To aid user debugging, we also print c's code in decimal, unless
// it's 0 (in which case c was printed as '\\0', making the code
// obvious).
- if (c == 0)
- return;
+ if (c == 0) return;
*os << " (" << static_cast<int>(c);
// For more convenience, we print c's code again in hexadecimal,
@@ -304,17 +286,60 @@ void PrintTo(char32_t c, ::std::ostream* os) {
<< static_cast<uint32_t>(c);
}
+// gcc/clang __{u,}int128_t
+#if defined(__SIZEOF_INT128__)
+void PrintTo(__uint128_t v, ::std::ostream* os) {
+ if (v == 0) {
+ *os << "0";
+ return;
+ }
+
+ // Buffer large enough for ceil(log10(2^128))==39 and the null terminator
+ char buf[40];
+ char* p = buf + sizeof(buf);
+
+ // Some configurations have a __uint128_t, but no support for built in
+ // division. Do manual long division instead.
+
+ uint64_t high = static_cast<uint64_t>(v >> 64);
+ uint64_t low = static_cast<uint64_t>(v);
+
+ *--p = 0;
+ while (high != 0 || low != 0) {
+ uint64_t high_mod = high % 10;
+ high = high / 10;
+ // This is the long division algorithm specialized for a divisor of 10 and
+ // only two elements.
+ // Notable values:
+ // 2^64 / 10 == 1844674407370955161
+ // 2^64 % 10 == 6
+ const uint64_t carry = 6 * high_mod + low % 10;
+ low = low / 10 + high_mod * 1844674407370955161 + carry / 10;
+
+ char digit = static_cast<char>(carry % 10);
+ *--p = static_cast<char>('0' + digit);
+ }
+ *os << p;
+}
+void PrintTo(__int128_t v, ::std::ostream* os) {
+ __uint128_t uv = static_cast<__uint128_t>(v);
+ if (v < 0) {
+ *os << "-";
+ uv = -uv;
+ }
+ PrintTo(uv, os);
+}
+#endif // __SIZEOF_INT128__
+
// Prints the given array of characters to the ostream. CharType must be either
// char, char8_t, char16_t, char32_t, or wchar_t.
// The array starts at begin, the length is len, it may include '\0' characters
// and may not be NUL-terminated.
template <typename CharType>
-GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_
-GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_
-static CharFormat PrintCharsAsStringTo(
- const CharType* begin, size_t len, ostream* os) {
+GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
+ GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
+ GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ static CharFormat
+ PrintCharsAsStringTo(const CharType* begin, size_t len, ostream* os) {
const char* const quote_prefix = GetCharWidthPrefix(*begin);
*os << quote_prefix << "\"";
bool is_previous_hex = false;
@@ -340,12 +365,11 @@ static CharFormat PrintCharsAsStringTo(
// Prints a (const) char/wchar_t array of 'len' elements, starting at address
// 'begin'. CharType must be either char or wchar_t.
template <typename CharType>
-GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_
-GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_
-static void UniversalPrintCharArray(
- const CharType* begin, size_t len, ostream* os) {
+GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
+ GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
+ GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ static void
+ UniversalPrintCharArray(const CharType* begin, size_t len,
+ ostream* os) {
// The code
// const char kFoo[] = "foo";
// generates an array of 4, not 3, elements, with the last one being '\0'.
@@ -371,7 +395,7 @@ void UniversalPrintArray(const char* begin, size_t len, ostream* os) {
UniversalPrintCharArray(begin, len, os);
}
-#ifdef __cpp_char8_t
+#ifdef __cpp_lib_char8_t
// Prints a (const) char8_t array of 'len' elements, starting at address
// 'begin'.
void UniversalPrintArray(const char8_t* begin, size_t len, ostream* os) {
@@ -414,7 +438,7 @@ void PrintCStringTo(const Char* s, ostream* os) {
void PrintTo(const char* s, ostream* os) { PrintCStringTo(s, os); }
-#ifdef __cpp_char8_t
+#ifdef __cpp_lib_char8_t
void PrintTo(const char8_t* s, ostream* os) { PrintCStringTo(s, os); }
#endif
@@ -436,28 +460,28 @@ void PrintTo(const wchar_t* s, ostream* os) { PrintCStringTo(s, os); }
namespace {
bool ContainsUnprintableControlCodes(const char* str, size_t length) {
- const unsigned char *s = reinterpret_cast<const unsigned char *>(str);
+ const unsigned char* s = reinterpret_cast<const unsigned char*>(str);
for (size_t i = 0; i < length; i++) {
unsigned char ch = *s++;
if (std::iscntrl(ch)) {
- switch (ch) {
+ switch (ch) {
case '\t':
case '\n':
case '\r':
break;
default:
return true;
- }
}
+ }
}
return false;
}
-bool IsUTF8TrailByte(unsigned char t) { return 0x80 <= t && t<= 0xbf; }
+bool IsUTF8TrailByte(unsigned char t) { return 0x80 <= t && t <= 0xbf; }
bool IsValidUTF8(const char* str, size_t length) {
- const unsigned char *s = reinterpret_cast<const unsigned char *>(str);
+ const unsigned char* s = reinterpret_cast<const unsigned char*>(str);
for (size_t i = 0; i < length;) {
unsigned char lead = s[i++];
@@ -470,15 +494,13 @@ bool IsValidUTF8(const char* str, size_t length) {
} else if (lead <= 0xdf && (i + 1) <= length && IsUTF8TrailByte(s[i])) {
++i; // 2-byte character
} else if (0xe0 <= lead && lead <= 0xef && (i + 2) <= length &&
- IsUTF8TrailByte(s[i]) &&
- IsUTF8TrailByte(s[i + 1]) &&
+ IsUTF8TrailByte(s[i]) && IsUTF8TrailByte(s[i + 1]) &&
// check for non-shortest form and surrogate
(lead != 0xe0 || s[i] >= 0xa0) &&
(lead != 0xed || s[i] < 0xa0)) {
i += 2; // 3-byte character
} else if (0xf0 <= lead && lead <= 0xf4 && (i + 3) <= length &&
- IsUTF8TrailByte(s[i]) &&
- IsUTF8TrailByte(s[i + 1]) &&
+ IsUTF8TrailByte(s[i]) && IsUTF8TrailByte(s[i + 1]) &&
IsUTF8TrailByte(s[i + 2]) &&
// check for non-shortest form
(lead != 0xf0 || s[i] >= 0x90) &&
@@ -502,13 +524,13 @@ void ConditionalPrintAsText(const char* str, size_t length, ostream* os) {
void PrintStringTo(const ::std::string& s, ostream* os) {
if (PrintCharsAsStringTo(s.data(), s.size(), os) == kHexEscape) {
- if (GTEST_FLAG(print_utf8)) {
+ if (GTEST_FLAG_GET(print_utf8)) {
ConditionalPrintAsText(s.data(), s.size(), os);
}
}
}
-#ifdef __cpp_char8_t
+#ifdef __cpp_lib_char8_t
void PrintU8StringTo(const ::std::u8string& s, ostream* os) {
PrintCharsAsStringTo(s.data(), s.size(), os);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-05 00:04:53 +0000