219   ASSERT_EQ(a.rfind(b), 0U);  in TEST()
220   ASSERT_EQ(a.rfind(b, 1), 0U);  in TEST()
221   ASSERT_EQ(a.rfind(c), 23U);  in TEST()
222   ASSERT_EQ(a.rfind(c, 22U), StringPiece::npos);  in TEST()
223   ASSERT_EQ(a.rfind(c, 1U), StringPiece::npos);  in TEST()
224   ASSERT_EQ(a.rfind(c, 0U), StringPiece::npos);  in TEST()
225   ASSERT_EQ(b.rfind(c), StringPiece::npos);  in TEST()
226   ASSERT_EQ(b.rfind(c, 0U), StringPiece::npos);  in TEST()
227   ASSERT_EQ(a.rfind(d), (size_t) a.as_string().rfind(std::string()));  in TEST()
228   ASSERT_EQ(a.rfind(e), a.as_string().rfind(std::string()));  in TEST()
229   ASSERT_EQ(a.rfind(d, 12), 12U);  in TEST()
230   ASSERT_EQ(a.rfind(e, 17), 17U);  in TEST()
231   ASSERT_EQ(a.rfind(g), StringPiece::npos);  in TEST()
232   ASSERT_EQ(d.rfind(b), StringPiece::npos);  in TEST()
233   ASSERT_EQ(e.rfind(b), StringPiece::npos);  in TEST()
234   ASSERT_EQ(d.rfind(b, 4), StringPiece::npos);  in TEST()
235   ASSERT_EQ(e.rfind(b, 7), StringPiece::npos);  in TEST()
237   ASSERT_EQ(d.rfind(d, 4), std::string().rfind(std::string()));  in TEST()
238   ASSERT_EQ(e.rfind(d, 7), std::string().rfind(std::string()));  in TEST()
239   ASSERT_EQ(d.rfind(e, 4), std::string().rfind(std::string()));  in TEST()
240   ASSERT_EQ(e.rfind(e, 7), std::string().rfind(std::string()));  in TEST()
241   ASSERT_EQ(d.rfind(d), std::string().rfind(std::string()));  in TEST()
242   ASSERT_EQ(e.rfind(d), std::string().rfind(std::string()));  in TEST()
243   ASSERT_EQ(d.rfind(e), std::string().rfind(std::string()));  in TEST()
244   ASSERT_EQ(e.rfind(e), std::string().rfind(std::string()));  in TEST()
246   ASSERT_EQ(g.rfind('o'), 8U);  in TEST()
247   ASSERT_EQ(g.rfind('q'), StringPiece::npos);  in TEST()
248   ASSERT_EQ(g.rfind('o', 8), 8U);  in TEST()
249   ASSERT_EQ(g.rfind('o', 7), 4U);  in TEST()
250   ASSERT_EQ(g.rfind('o', 3), StringPiece::npos);  in TEST()
251   ASSERT_EQ(f.rfind('\0'), 3U);  in TEST()
252   ASSERT_EQ(f.rfind('\0', 12), 3U);  in TEST()
253   ASSERT_EQ(f.rfind('3'), 2U);  in TEST()
254   ASSERT_EQ(f.rfind('5'), 5U);  in TEST()
256   ASSERT_EQ(d.rfind('o'), StringPiece::npos);  in TEST()
257   ASSERT_EQ(e.rfind('o'), StringPiece::npos);  in TEST()
258   ASSERT_EQ(d.rfind('o', 4), StringPiece::npos);  in TEST()
259   ASSERT_EQ(e.rfind('o', 7), StringPiece::npos);  in TEST()