Set limit for number of failed EXPECTs per test in test launcher output.

base/test/gtest_xml_unittest_result_printer.cc

Index: base/test/gtest_xml_unittest_result_printer.cc
diff --git a/base/test/gtest_xml_unittest_result_printer.cc b/base/test/gtest_xml_unittest_result_printer.cc
index 31ac4ad39c70490f810083f6622021a2a34e1b9f..23d7112f02ee5a1a84cd7786174090f3e9941bd3 100644
--- a/base/test/gtest_xml_unittest_result_printer.cc
+++ b/base/test/gtest_xml_unittest_result_printer.cc
@@ -11,9 +11,14 @@
 
 namespace base {
 
-XmlUnitTestResultPrinter::XmlUnitTestResultPrinter() : output_file_(NULL) {
+namespace {
+const int kDefaultTestPartResultsLimit = 10;
 }
 
+XmlUnitTestResultPrinter::XmlUnitTestResultPrinter()
+    : output_file_(NULL),
+      test_part_results_limit_(kDefaultTestPartResultsLimit) {}
+
 XmlUnitTestResultPrinter::~XmlUnitTestResultPrinter() {
   if (output_file_) {
     fprintf(output_file_, "</testsuites>\n");
@@ -73,12 +78,18 @@ void XmlUnitTestResultPrinter::OnTestEnd(const testing::TestInfo& test_info) {
     fprintf(output_file_,
             "      <failure message=\"\" type=\"\"></failure>\n");
   }
-  for (int i = 0; i < test_info.result()->total_part_count(); ++i) {
+
+  int limit = test_info.result()->total_part_count();
+  if (has_test_part_results_limit())
+    limit = std::min(limit, test_part_results_limit());
+
+  for (int i = 0; i < limit; ++i) {

[Paweł Hajdan Jr., 2017/05/05 17:33:03]

We need to add something in case the limit is exceeded, to avoid a
silent-failure-like condition.

[alex-ac, 2017/05/07 12:07:24]

Done.

     const auto& test_part_result = test_info.result()->GetTestPartResult(i);
     WriteTestPartResult(test_part_result.file_name(),
                         test_part_result.line_number(), test_part_result.type(),
                         test_part_result.summary(), test_part_result.message());
   }
+
   fprintf(output_file_, "    </testcase>\n");
   fflush(output_file_);
 }