Googletest export

Remove a test case rendered obsolete by disallowing empty argument for INSTANTIATE_TEST_SUITE_P.
Remove the code that it was testing.

PiperOrigin-RevId: 275040108

googletest/include/gtest/internal/gtest-param-util.h

@@ -565,10 +565,7 @@ class ParameterizedTestSuiteInfo : public ParameterizedTestSuiteInfoBase {
 
           test_param_names.insert(param_name);
 
-          if (!test_info->test_base_name.empty()) {
-            test_name_stream << test_info->test_base_name << "/";
-          }
-          test_name_stream << param_name;
+          test_name_stream << test_info->test_base_name << "/" << param_name;
           MakeAndRegisterTestInfo(
               test_suite_name.c_str(), test_name_stream.GetString().c_str(),
               nullptr,  // No type parameter.

googletest/test/googletest-output-test-golden-lin.txt

@@ -12,7 +12,7 @@ Expected equality of these values:
   3
 Stack trace: (omitted)
 
-[==========] Running 85 tests from 40 test suites.
+[==========] Running 84 tests from 39 test suites.
 [----------] Global test environment set-up.
 FooEnvironment::SetUp() called.
 BarEnvironment::SetUp() called.
@@ -966,9 +966,6 @@ Expected equality of these values:
 Stack trace: (omitted)
 
 [  FAILED  ] PrintingFailingParams/FailingParamTest.Fails/0, where GetParam() = 2
-[----------] 1 test from All/EmptyBasenameParamInst
-[ RUN      ] All/EmptyBasenameParamInst.Passes/0
-[       OK ] All/EmptyBasenameParamInst.Passes/0
 [----------] 2 tests from PrintingStrings/ParamTest
 [ RUN      ] PrintingStrings/ParamTest.Success/a
 [       OK ] PrintingStrings/ParamTest.Success/a
@@ -995,8 +992,8 @@ Failed
 Expected fatal failure.
 Stack trace: (omitted)
 
-[==========] 85 tests from 40 test suites ran.
-[  PASSED  ] 31 tests.
+[==========] 84 tests from 39 test suites ran.
+[  PASSED  ] 30 tests.
 [  FAILED  ] 54 tests, listed below:
 [  FAILED  ] NonfatalFailureTest.EscapesStringOperands
 [  FAILED  ] NonfatalFailureTest.DiffForLongStrings

googletest/test/googletest-output-test_.cc

@@ -96,14 +96,6 @@ INSTANTIATE_TEST_SUITE_P(PrintingFailingParams,
                          FailingParamTest,
                          testing::Values(2));
 
-// Tests that an empty value for the test suite basename yields just
-// the test name without any prior /
-class EmptyBasenameParamInst : public testing::TestWithParam<int> {};
-
-TEST_P(EmptyBasenameParamInst, Passes) { EXPECT_EQ(1, GetParam()); }
-
-INSTANTIATE_TEST_SUITE_P(All, EmptyBasenameParamInst, testing::Values(1));
-
 static const char kGoldenString[] = "\"Line\0 1\"\nLine 2";
 
 TEST(NonfatalFailureTest, EscapesStringOperands) {