89   OverlayCDB CDB(Base.get());  in TEST_F()  local
90   EXPECT_THAT(CDB.getCompileCommand(testPath("foo.cc"))->CommandLine,  in TEST_F()
92   EXPECT_EQ(CDB.getCompileCommand(testPath("missing.cc")), llvm::None);  in TEST_F()
95   CDB.setCompileCommand(testPath("foo.cc"), Override);  in TEST_F()
96   EXPECT_THAT(CDB.getCompileCommand(testPath("foo.cc"))->CommandLine,  in TEST_F()
98   EXPECT_EQ(CDB.getCompileCommand(testPath("missing.cc")), llvm::None);  in TEST_F()
99   CDB.setCompileCommand(testPath("missing.cc"), Override);  in TEST_F()
100   EXPECT_THAT(CDB.getCompileCommand(testPath("missing.cc"))->CommandLine,  in TEST_F()
105   OverlayCDB CDB(Base.get(), {"-DA=4"});  in TEST_F()  local
106   EXPECT_THAT(CDB.getFallbackCommand(testPath("bar.cc")).CommandLine,  in TEST_F()
111   OverlayCDB CDB(nullptr, {"-DA=6"});  in TEST_F()  local
112   EXPECT_EQ(CDB.getCompileCommand(testPath("bar.cc")), None);  in TEST_F()
114   CDB.setCompileCommand(testPath("bar.cc"), Override);  in TEST_F()
115   EXPECT_THAT(CDB.getCompileCommand(testPath("bar.cc"))->CommandLine,  in TEST_F()
118   EXPECT_THAT(CDB.getFallbackCommand(testPath("foo.cc")).CommandLine,  in TEST_F()
140   OverlayCDB CDB(Base.get(), {"-DFallback"},  in TEST_F()  local
148   auto Cmd = CDB.getCompileCommand(testPath("foo.cc")).getValue();  in TEST_F()
156   CDB.setCompileCommand(testPath("bar.cc"), BarCommand);  in TEST_F()
157   Cmd = CDB.getCompileCommand(testPath("bar.cc")).getValue();  in TEST_F()
163   Cmd = CDB.getFallbackCommand("baz.cc");  in TEST_F()