Googletest export

Add millisecond precision to start timestamp in XML/JSON output

- Previous timestamp had format YYYY-MM-DDThh:mm:ss, now YYYY-MM-DDThh:mm:ss.sss
- This conforms to the ISO 8601 standard

PiperOrigin-RevId: 329503623

Author: Abseil Team

googletest/include/gtest/internal/gtest-string.h

@@ -149,6 +149,9 @@ class GTEST_API_ String {
   // Formats an int value as "%02d".
   static std::string FormatIntWidth2(int value);  // "%02d" for width == 2
 
+  // Formats an int value to given width with leading zeros.
+  static std::string FormatIntWidthN(int value, int width);
+
   // Formats an int value as "%X".
   static std::string FormatHexInt(int value);
 

googletest/src/gtest.cc

@@ -2141,8 +2141,13 @@ bool String::EndsWithCaseInsensitive(
 
 // Formats an int value as "%02d".
 std::string String::FormatIntWidth2(int value) {
+  return FormatIntWidthN(value, 2);
+}
+
+// Formats an int value to given width with leading zeros.
+std::string String::FormatIntWidthN(int value, int width) {
   std::stringstream ss;
-  ss << std::setfill('0') << std::setw(2) << value;
+  ss << std::setfill('0') << std::setw(width) << value;
   return ss.str();
 }
 
@@ -4101,13 +4106,14 @@ std::string FormatEpochTimeInMillisAsIso8601(TimeInMillis ms) {
   struct tm time_struct;
   if (!PortableLocaltime(static_cast<time_t>(ms / 1000), &time_struct))
     return "";
-  // YYYY-MM-DDThh:mm:ss
+  // YYYY-MM-DDThh:mm:ss.sss
   return StreamableToString(time_struct.tm_year + 1900) + "-" +
       String::FormatIntWidth2(time_struct.tm_mon + 1) + "-" +
       String::FormatIntWidth2(time_struct.tm_mday) + "T" +
       String::FormatIntWidth2(time_struct.tm_hour) + ":" +
       String::FormatIntWidth2(time_struct.tm_min) + ":" +
-      String::FormatIntWidth2(time_struct.tm_sec);
+      String::FormatIntWidth2(time_struct.tm_sec) + "." +
+      String::FormatIntWidthN(static_cast<int>(ms % 1000), 3);
 }
 
 // Streams an XML CDATA section, escaping invalid CDATA sequences as needed.

googletest/test/gtest_unittest.cc

@@ -485,28 +485,28 @@ class FormatEpochTimeInMillisAsIso8601Test : public Test {
 const TimeInMillis FormatEpochTimeInMillisAsIso8601Test::kMillisPerSec;
 
 TEST_F(FormatEpochTimeInMillisAsIso8601Test, PrintsTwoDigitSegments) {
-  EXPECT_EQ("2011-10-31T18:52:42",
+  EXPECT_EQ("2011-10-31T18:52:42.000",
             FormatEpochTimeInMillisAsIso8601(1320087162 * kMillisPerSec));
 }
 
-TEST_F(FormatEpochTimeInMillisAsIso8601Test, MillisecondsDoNotAffectResult) {
+TEST_F(FormatEpochTimeInMillisAsIso8601Test, IncludesMillisecondsAfterDot) {
   EXPECT_EQ(
-      "2011-10-31T18:52:42",
+      "2011-10-31T18:52:42.234",
       FormatEpochTimeInMillisAsIso8601(1320087162 * kMillisPerSec + 234));
 }
 
 TEST_F(FormatEpochTimeInMillisAsIso8601Test, PrintsLeadingZeroes) {
-  EXPECT_EQ("2011-09-03T05:07:02",
+  EXPECT_EQ("2011-09-03T05:07:02.000",
             FormatEpochTimeInMillisAsIso8601(1315026422 * kMillisPerSec));
 }
 
 TEST_F(FormatEpochTimeInMillisAsIso8601Test, Prints24HourTime) {
-  EXPECT_EQ("2011-09-28T17:08:22",
+  EXPECT_EQ("2011-09-28T17:08:22.000",
             FormatEpochTimeInMillisAsIso8601(1317229702 * kMillisPerSec));
 }
 
 TEST_F(FormatEpochTimeInMillisAsIso8601Test, PrintsEpochStart) {
-  EXPECT_EQ("1970-01-01T00:00:00", FormatEpochTimeInMillisAsIso8601(0));
+  EXPECT_EQ("1970-01-01T00:00:00.000", FormatEpochTimeInMillisAsIso8601(0));
 }
 
 # ifdef __BORLANDC__

googletest/test/gtest_xml_test_utils.py

@@ -172,7 +172,7 @@ def NormalizeXml(self, element):
 
     if element.tagName in ('testsuites', 'testsuite', 'testcase'):
       timestamp = element.getAttributeNode('timestamp')
-      timestamp.value = re.sub(r'^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d$',
+      timestamp.value = re.sub(r'^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d\.\d\d\d$',
                                '*', timestamp.value)
     if element.tagName in ('testsuites', 'testsuite', 'testcase'):
       time = element.getAttributeNode('time')