29     SignalId signal_id(i);  in TEST()  local
30     if (signal_id.IsValid()) {  in TEST()
38   SignalId signal_id(0);  in TEST()  local
39   ASSERT_FALSE(signal_id.IsValid());  in TEST()
43   SignalId signal_id(0);  in TEST()  local
44   ASSERT_FALSE(signal_id.IsValid());  in TEST()
46   for (uint8_t i = 0; i != 0xff; ++i, ++signal_id) {  in TEST()
47     ASSERT_TRUE(i == signal_id.Value());  in TEST()
52   SignalId signal_id(0);  in TEST()  local
53   ASSERT_FALSE(signal_id.IsValid());  in TEST()
55   for (uint8_t i = 0; i != 0xff; i++, signal_id++) {  in TEST()
56     ASSERT_TRUE(i == signal_id.Value());  in TEST()
61   SignalId signal_id(0);  in TEST()  local
62   ASSERT_FALSE(signal_id.IsValid());  in TEST()
65     signal_id++;  in TEST()
67   ASSERT_EQ(0xff, signal_id.Value());  in TEST()
71   SignalId signal_id(0);  in TEST()  local
72   ASSERT_FALSE(signal_id.IsValid());  in TEST()
75     signal_id++;  in TEST()
77   ASSERT_EQ(1, signal_id.Value());  in TEST()
81   SignalId signal_id(0);  in TEST()  local
82   ASSERT_FALSE(signal_id.IsValid());  in TEST()
84   for (uint8_t i = 0; i != 0xff; --i, --signal_id) {  in TEST()
85     ASSERT_TRUE(i == signal_id.Value());  in TEST()
90   SignalId signal_id(0);  in TEST()  local
91   ASSERT_FALSE(signal_id.IsValid());  in TEST()
93   for (uint8_t i = 0; i != 0xff; i--, signal_id--) {  in TEST()
94     ASSERT_TRUE(i == signal_id.Value());  in TEST()
99   SignalId signal_id(0);  in TEST()  local
100   ASSERT_FALSE(signal_id.IsValid());  in TEST()
103     signal_id--;  in TEST()
105   ASSERT_EQ(1, signal_id.Value());  in TEST()
109   SignalId signal_id(0);  in TEST()  local
110   ASSERT_FALSE(signal_id.IsValid());  in TEST()
113     signal_id--;  in TEST()
115   ASSERT_EQ(0xff, signal_id.Value());  in TEST()