157   TestBitStruct tst{};  in TEST()  local
161   EXPECT_EQ(1u, sizeof(tst._));  in TEST()
162   EXPECT_EQ(1u, sizeof(tst.i3));  in TEST()
163   EXPECT_EQ(1u, sizeof(tst.u4));  in TEST()
164   EXPECT_EQ(1u, sizeof(tst.alias_all));  in TEST()
167   tst.i3 = -1;  in TEST()
168   tst.u4 = 0b1010;  in TEST()
171   int8_t read_i3 = tst.i3;  in TEST()
172   uint8_t read_u4 = tst.u4;  in TEST()
179   EXPECT_EQ(0b1010111, static_cast<uint8_t>(tst.alias_all));  in TEST()
182   EXPECT_EQ(0b1010111u, AsUint(tst));  in TEST()
187     ++tst.u4;  in TEST()
188     EXPECT_EQ(static_cast<uint8_t>(0b1011), static_cast<uint8_t>(tst.u4));  in TEST()
189     --tst.u4;  in TEST()
190     EXPECT_EQ(static_cast<uint8_t>(0b1010), static_cast<uint8_t>(tst.u4));  in TEST()
193     uint8_t read_and_convert = tst.u4++;  in TEST()
195     EXPECT_EQ(static_cast<uint8_t>(0b1010), static_cast<uint8_t>(tst.u4));  in TEST()
196     read_and_convert = tst.u4--;  in TEST()
198     EXPECT_EQ(static_cast<uint8_t>(0b1010), static_cast<uint8_t>(tst.u4));  in TEST()
201     tst.u4 = 0b1010;  in TEST()
202     EXPECT_TRUE(static_cast<bool>(tst.u4));  in TEST()
203     bool succ = tst.u4 ? true : false;  in TEST()
206     tst.u4 = 0;  in TEST()
207     EXPECT_FALSE(static_cast<bool>(tst.u4));  in TEST()
232   MixedSizeBitStruct tst{};  in TEST()  local
235   tst.u3 = 0b111u;  in TEST()
236   tst.u10 = 0b1111010100u;  in TEST()
237   tst.u19 = 0b1010101010101010101u;  in TEST()
240   uint8_t read_u3 = tst.u3;  in TEST()
241   uint16_t read_u10 = tst.u10;  in TEST()
242   uint32_t read_u19 = tst.u19;  in TEST()
249   uint32_t read_all = tst.alias_all;  in TEST()
255   EXPECT_EQ(0b10101010101010101011111010100111u, AsUint(tst));  in TEST()
270     TestBitStruct_u8 tst{};  in TEST()  local
271     tst.i3 = all_1s.i3;  in TEST()
274     EXPECT_EQ(0b111, tst.alias_all);  in TEST()
278     TestBitStruct_u8 tst{};  in TEST()  local
279     tst.u4 = all_1s.u4;  in TEST()
282     EXPECT_EQ(0b1111000, tst.alias_all);  in TEST()