1 """ 2 Test lldb data formatter subsystem. 3 """ 4 5 import os, time 6 import unittest2 7 import lldb 8 from lldbtest import * 9 import lldbutil 10 11 class LibcxxVectorDataFormatterTestCase(TestBase): 12 13 mydir = os.path.join("functionalities", "data-formatter", "data-formatter-stl", "libcxx", "vector") 14 15 @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") 16 @dsym_test 17 def test_with_dsym_and_run_command(self): 18 """Test data formatter commands.""" 19 self.buildDsym() 20 self.data_formatter_commands() 21 22 @skipIfLinux # No standard locations for libc++ on Linux, so skip for now 23 @dwarf_test 24 def test_with_dwarf_and_run_command(self): 25 """Test data formatter commands.""" 26 self.buildDwarf() 27 self.data_formatter_commands() 28 29 def setUp(self): 30 # Call super's setUp(). 31 TestBase.setUp(self) 32 # Find the line number to break at. 33 self.line = line_number('main.cpp', '// Set break point at this line.') 34 self.line2 = line_number('main.cpp', '// Set second break point at this line.') 35 36 def data_formatter_commands(self): 37 """Test that that file and class static variables display correctly.""" 38 self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) 39 40 lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=-1) 41 lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line2, num_expected_locations=-1) 42 43 self.runCmd("run", RUN_SUCCEEDED) 44 45 # The stop reason of the thread should be breakpoint. 46 self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, 47 substrs = ['stopped', 48 'stop reason = breakpoint']) 49 50 # This is the function to remove the custom formats in order to have a 51 # clean slate for the next test case. 52 def cleanup(): 53 self.runCmd('type format clear', check=False) 54 self.runCmd('type summary clear', check=False) 55 self.runCmd('type filter clear', check=False) 56 self.runCmd('type synth clear', check=False) 57 self.runCmd("settings set target.max-children-count 256", check=False) 58 59 # Execute the cleanup function during test case tear down. 60 self.addTearDownHook(cleanup) 61 62 # empty vectors (and storage pointers SHOULD BOTH BE NULL..) 63 self.expect("frame variable numbers", 64 substrs = ['numbers = size=0']) 65 66 self.runCmd("n") 67 68 # first value added 69 self.expect("frame variable numbers", 70 substrs = ['numbers = size=1', 71 '[0] = 1', 72 '}']) 73 74 # add some more data 75 self.runCmd("n");self.runCmd("n");self.runCmd("n"); 76 77 self.expect("frame variable numbers", 78 substrs = ['numbers = size=4', 79 '[0] = 1', 80 '[1] = 12', 81 '[2] = 123', 82 '[3] = 1234', 83 '}']) 84 85 self.expect("p numbers", 86 substrs = ['$', 'size=4', 87 '[0] = 1', 88 '[1] = 12', 89 '[2] = 123', 90 '[3] = 1234', 91 '}']) 92 93 94 # check access to synthetic children 95 self.runCmd("type summary add --summary-string \"item 0 is ${var[0]}\" std::int_vect int_vect") 96 self.expect('frame variable numbers', 97 substrs = ['item 0 is 1']); 98 99 self.runCmd("type summary add --summary-string \"item 0 is ${svar[0]}\" std::int_vect int_vect") 100 self.expect('frame variable numbers', 101 substrs = ['item 0 is 1']); 102 # move on with synths 103 self.runCmd("type summary delete std::int_vect") 104 self.runCmd("type summary delete int_vect") 105 106 # add some more data 107 self.runCmd("n");self.runCmd("n");self.runCmd("n"); 108 109 self.expect("frame variable numbers", 110 substrs = ['numbers = size=7', 111 '[0] = 1', 112 '[1] = 12', 113 '[2] = 123', 114 '[3] = 1234', 115 '[4] = 12345', 116 '[5] = 123456', 117 '[6] = 1234567', 118 '}']) 119 120 self.expect("p numbers", 121 substrs = ['$', 'size=7', 122 '[0] = 1', 123 '[1] = 12', 124 '[2] = 123', 125 '[3] = 1234', 126 '[4] = 12345', 127 '[5] = 123456', 128 '[6] = 1234567', 129 '}']) 130 131 # check access-by-index 132 self.expect("frame variable numbers[0]", 133 substrs = ['1']); 134 self.expect("frame variable numbers[1]", 135 substrs = ['12']); 136 self.expect("frame variable numbers[2]", 137 substrs = ['123']); 138 self.expect("frame variable numbers[3]", 139 substrs = ['1234']); 140 141 # clear out the vector and see that we do the right thing once again 142 self.runCmd("n") 143 144 self.expect("frame variable numbers", 145 substrs = ['numbers = size=0']) 146 147 self.runCmd("n") 148 149 # first value added 150 self.expect("frame variable numbers", 151 substrs = ['numbers = size=1', 152 '[0] = 7', 153 '}']) 154 155 # check if we can display strings 156 self.runCmd("c") 157 158 self.expect("frame variable strings", 159 substrs = ['goofy', 160 'is', 161 'smart']) 162 163 self.expect("p strings", 164 substrs = ['goofy', 165 'is', 166 'smart']) 167 168 # test summaries based on synthetic children 169 self.runCmd("type summary add std::string_vect string_vect --summary-string \"vector has ${svar%#} items\" -e") 170 self.expect("frame variable strings", 171 substrs = ['vector has 3 items', 172 'goofy', 173 'is', 174 'smart']) 175 176 self.expect("p strings", 177 substrs = ['vector has 3 items', 178 'goofy', 179 'is', 180 'smart']) 181 182 self.runCmd("n") 183 184 self.expect("frame variable strings", 185 substrs = ['vector has 4 items']) 186 187 # check access-by-index 188 self.expect("frame variable strings[0]", 189 substrs = ['goofy']); 190 self.expect("frame variable strings[1]", 191 substrs = ['is']); 192 193 self.runCmd("n") 194 195 self.expect("frame variable strings", 196 substrs = ['vector has 0 items']) 197 198 if __name__ == '__main__': 199 import atexit 200 lldb.SBDebugger.Initialize() 201 atexit.register(lambda: lldb.SBDebugger.Terminate()) 202 unittest2.main() 203
