288   ASSERT_EQ(a.rfind(b), 0U);  in TYPED_TEST()
289   ASSERT_EQ(a.rfind(b, 1), 0U);  in TYPED_TEST()
290   ASSERT_EQ(a.rfind(c), 23U);  in TYPED_TEST()
291   ASSERT_EQ(a.rfind(c, 22U), Piece::npos);  in TYPED_TEST()
292   ASSERT_EQ(a.rfind(c, 1U), Piece::npos);  in TYPED_TEST()
293   ASSERT_EQ(a.rfind(c, 0U), Piece::npos);  in TYPED_TEST()
294   ASSERT_EQ(b.rfind(c), Piece::npos);  in TYPED_TEST()
295   ASSERT_EQ(b.rfind(c, 0U), Piece::npos);  in TYPED_TEST()
296   ASSERT_EQ(a.rfind(d), static_cast<size_t>(a.as_string().rfind(TypeParam())));  in TYPED_TEST()
297   ASSERT_EQ(a.rfind(e), a.as_string().rfind(TypeParam()));  in TYPED_TEST()
298   ASSERT_EQ(a.rfind(d), static_cast<size_t>(TypeParam(a).rfind(TypeParam())));  in TYPED_TEST()
299   ASSERT_EQ(a.rfind(e), TypeParam(a).rfind(TypeParam()));  in TYPED_TEST()
300   ASSERT_EQ(a.rfind(d, 12), 12U);  in TYPED_TEST()
301   ASSERT_EQ(a.rfind(e, 17), 17U);  in TYPED_TEST()
302   ASSERT_EQ(a.rfind(g), Piece::npos);  in TYPED_TEST()
303   ASSERT_EQ(d.rfind(b), Piece::npos);  in TYPED_TEST()
304   ASSERT_EQ(e.rfind(b), Piece::npos);  in TYPED_TEST()
305   ASSERT_EQ(d.rfind(b, 4), Piece::npos);  in TYPED_TEST()
306   ASSERT_EQ(e.rfind(b, 7), Piece::npos);  in TYPED_TEST()
308   ASSERT_EQ(d.rfind(d, 4), std::string().rfind(std::string()));  in TYPED_TEST()
309   ASSERT_EQ(e.rfind(d, 7), std::string().rfind(std::string()));  in TYPED_TEST()
310   ASSERT_EQ(d.rfind(e, 4), std::string().rfind(std::string()));  in TYPED_TEST()
311   ASSERT_EQ(e.rfind(e, 7), std::string().rfind(std::string()));  in TYPED_TEST()
312   ASSERT_EQ(d.rfind(d), std::string().rfind(std::string()));  in TYPED_TEST()
313   ASSERT_EQ(e.rfind(d), std::string().rfind(std::string()));  in TYPED_TEST()
314   ASSERT_EQ(d.rfind(e), std::string().rfind(std::string()));  in TYPED_TEST()
315   ASSERT_EQ(e.rfind(e), std::string().rfind(std::string()));  in TYPED_TEST()
317   ASSERT_EQ(g.rfind('o'), 8U);  in TYPED_TEST()
318   ASSERT_EQ(g.rfind('q'), Piece::npos);  in TYPED_TEST()
319   ASSERT_EQ(g.rfind('o', 8), 8U);  in TYPED_TEST()
320   ASSERT_EQ(g.rfind('o', 7), 4U);  in TYPED_TEST()
321   ASSERT_EQ(g.rfind('o', 3), Piece::npos);  in TYPED_TEST()
322   ASSERT_EQ(f.rfind('\0'), 3U);  in TYPED_TEST()
323   ASSERT_EQ(f.rfind('\0', 12), 3U);  in TYPED_TEST()
324   ASSERT_EQ(f.rfind('3'), 2U);  in TYPED_TEST()
325   ASSERT_EQ(f.rfind('5'), 5U);  in TYPED_TEST()
327   ASSERT_EQ(d.rfind('o'), Piece::npos);  in TYPED_TEST()
328   ASSERT_EQ(e.rfind('o'), Piece::npos);  in TYPED_TEST()
329   ASSERT_EQ(d.rfind('o', 4), Piece::npos);  in TYPED_TEST()
330   ASSERT_EQ(e.rfind('o', 7), Piece::npos);  in TYPED_TEST()