https://github.com/akkartik/mu/blob/master/subx/003trace.test.cc
  1 void test_trace_check_compares() {
  2   trace("test layer") << "foo" << end();
  3   CHECK_TRACE_CONTENTS("test layer: foo");
  4 }
  5 
  6 void test_trace_check_ignores_other_layers() {
  7   trace("test layer 1") << "foo" << end();
  8   trace("test layer 2") << "bar" << end();
  9   CHECK_TRACE_CONTENTS("test layer 1: foo");
 10   CHECK_TRACE_DOESNT_CONTAIN("test layer 2: foo");
 11 }
 12 
 13 void test_trace_check_ignores_leading_whitespace() {
 14   trace("test layer 1") << " foo" << end();
 15   CHECK_EQ(trace_count("test layer 1", /*too little whitespace*/"foo"), 1);
 16   CHECK_EQ(trace_count("test layer 1", /*too much whitespace*/"  foo"), 1);
 17 }
 18 
 19 void test_trace_check_ignores_other_lines() {
 20   trace("test layer 1") << "foo" << end();
 21   trace("test layer 1") << "bar" << end();
 22   CHECK_TRACE_CONTENTS("test layer 1: foo");
 23 }
 24 
 25 void test_trace_check_ignores_other_lines2() {
 26   trace("test layer 1") << "foo" << end();
 27   trace("test layer 1") << "bar" << end();
 28   CHECK_TRACE_CONTENTS("test layer 1: bar");
 29 }
 30 
 31 void test_trace_ignores_trailing_whitespace() {
 32   trace("test layer 1") << "foo\n" << end();
 33   CHECK_TRACE_CONTENTS("test layer 1: foo");
 34 }
 35 
 36 void test_trace_ignores_trailing_whitespace2() {
 37   trace("test layer 1") << "foo " << end();
 38   CHECK_TRACE_CONTENTS("test layer 1: foo");
 39 }
 40 
 41 void test_trace_orders_across_layers() {
 42   trace("test layer 1") << "foo" << end();
 43   trace("test layer 2") << "bar" << end();
 44   trace("test layer 1") << "qux" << end();
 45   CHECK_TRACE_CONTENTS("test layer 1: foo^Dtest layer 2: bar^Dtest layer 1: qux^D");
 46 }
 47 
 48 void test_trace_supports_count() {
 49   trace("test layer 1") << "foo" << end();
 50   trace("test layer 1") << "foo" << end();
 51   CHECK_EQ(trace_count("test layer 1", "foo"), 2);
 52 }
 53 
 54 void test_trace_supports_count2() {
 55   trace("test layer 1") << "foo" << end();
 56   trace("test layer 1") << "bar" << end();
 57   CHECK_EQ(trace_count("test layer 1"), 2);
 58 }
 59 
 60 void test_trace_count_ignores_trailing_whitespace() {
 61   trace("test layer 1") << "foo\n" << end();
 62   CHECK_EQ(trace_count("test layer 1", "foo"), 1);
 63 }
 64 
 65 // pending: DUMP tests
 66 // pending: readable_contents() adds newline if necessary.
 67 // pending: raise also prints to stderr.
 68 // pending: raise doesn't print to stderr if Hide_errors is set.
 69 // pending: warn doesn't print to stderr if Hide_errors is set.
 70 // pending: warn doesn't print to stderr if Hide_warnings is set.
 71 // pending: raise doesn't have to be saved if Hide_errors is set, just printed.
 72 // pending: raise prints to stderr if Trace_stream is NULL.
 73 // pending: raise prints to stderr if Trace_stream is NULL even if Hide_errors is set.
 74 
 75 // can't check trace because trace methods call 'split'
 76 
 77 void test_split_returns_at_least_one_elem() {
 78   vector<string> result = split("", ",");
 79   CHECK_EQ(result.size(), 1);
 80   CHECK_EQ(result.at(0), "");
 81 }
 82 
 83 void test_split_returns_entire_input_when_no_delim() {
 84   vector<string> result = split("abc", ",");
 85   CHECK_EQ(result.size(), 1);
 86   CHECK_EQ(result.at(0), "abc");
 87 }
 88 
 89 void test_split_works() {
 90   vector<string> result = split("abc,def", ",");
 91   CHECK_EQ(result.size(), 2);
 92   CHECK_EQ(result.at(0), "abc");
 93   CHECK_EQ(result.at(1), "def");
 94 }
 95 
 96 void test_split_works2() {
 97   vector<string> result = split("abc,def,ghi", ",");
 98   CHECK_EQ(result.size(), 3);
 99   CHECK_EQ(result.at(0), "abc");
100   CHECK_EQ(result.at(1), "def");
101   CHECK_EQ(result.at(2), "ghi");
102 }
103 
104 void test_split_handles_multichar_delim() {
105   vector<string> result = split("abc,,def,,ghi", ",,");
106   CHECK_EQ(result.size(), 3);
107   CHECK_EQ(result.at(0), "abc");
108   CHECK_EQ(result.at(1), "def");
109   CHECK_EQ(result.at(2), "ghi");
110 }
111 
112 void test_trim() {
113   CHECK_EQ(trim(""), "");
114   CHECK_EQ(trim(" "), "");
115   CHECK_EQ(trim("  "), "");
116   CHECK_EQ(trim("a"), "a");
117   CHECK_EQ(trim(" a"), "a");
118   CHECK_EQ(trim("  a"), "a");
119   CHECK_EQ(trim("  ab"), "ab");
120   CHECK_EQ(trim("a "), "a");
121   CHECK_EQ(trim("a  "), "a");
122   CHECK_EQ(trim("ab  "), "ab");
123   CHECK_EQ(trim(" a "), "a");
124   CHECK_EQ(trim("  a  "), "a");
125   CHECK_EQ(trim("  ab  "), "ab");
126 }