1 """Test settings and readings of program variables.""" 2 3 import os, time 4 import unittest2 5 import lldb 6 from lldbtest import * 7 import lldbutil 8 9 class SetValuesTestCase(TestBase): 10 11 mydir = os.path.join("lang", "c", "set_values") 12 13 @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") 14 @dsym_test 15 def test_with_dsym(self): 16 """Test settings and readings of program variables.""" 17 self.buildDsym() 18 self.set_values() 19 20 @dwarf_test 21 def test_with_dwarf(self): 22 """Test settings and readings of program variables.""" 23 self.buildDwarf() 24 self.set_values() 25 26 def setUp(self): 27 # Call super's setUp(). 28 TestBase.setUp(self) 29 # Find the line numbers to break inside main(). 30 self.line1 = line_number('main.c', '// Set break point #1.') 31 self.line2 = line_number('main.c', '// Set break point #2.') 32 self.line3 = line_number('main.c', '// Set break point #3.') 33 self.line4 = line_number('main.c', '// Set break point #4.') 34 self.line5 = line_number('main.c', '// Set break point #5.') 35 36 def set_values(self): 37 """Test settings and readings of program variables.""" 38 exe = os.path.join(os.getcwd(), "a.out") 39 self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) 40 41 # Set breakpoints on several places to set program variables. 42 lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line1, num_expected_locations=1, loc_exact=True) 43 44 lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line2, num_expected_locations=1, loc_exact=True) 45 46 lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line3, num_expected_locations=1, loc_exact=True) 47 48 lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line4, num_expected_locations=1, loc_exact=True) 49 50 lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line5, num_expected_locations=1, loc_exact=True) 51 52 self.runCmd("run", RUN_SUCCEEDED) 53 54 # The stop reason of the thread should be breakpoint. 55 self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, 56 substrs = ['stopped', 57 'stop reason = breakpoint']) 58 59 # The breakpoint should have a hit count of 1. 60 self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE, 61 substrs = [' resolved, hit count = 1']) 62 63 # main.c:15 64 # Check that 'frame variable --show-types' displays the correct data type and value. 65 self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY, 66 startstr = "(char) i = 'a'") 67 68 # Now set variable 'i' and check that it is correctly displayed. 69 self.runCmd("expression i = 'b'") 70 self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY, 71 startstr = "(char) i = 'b'") 72 73 self.runCmd("continue") 74 75 # main.c:36 76 # Check that 'frame variable --show-types' displays the correct data type and value. 77 self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY, 78 patterns = ["\((short unsigned int|unsigned short)\) i = 33"]) 79 80 # Now set variable 'i' and check that it is correctly displayed. 81 self.runCmd("expression i = 333") 82 self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY, 83 patterns = ["\((short unsigned int|unsigned short)\) i = 333"]) 84 85 self.runCmd("continue") 86 87 # main.c:57 88 # Check that 'frame variable --show-types' displays the correct data type and value. 89 self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY, 90 startstr = "(long) i = 33") 91 92 # Now set variable 'i' and check that it is correctly displayed. 93 self.runCmd("expression i = 33333") 94 self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY, 95 startstr = "(long) i = 33333") 96 97 self.runCmd("continue") 98 99 # main.c:78 100 # Check that 'frame variable --show-types' displays the correct data type and value. 101 self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY, 102 startstr = "(double) i = 3.14159") 103 104 # Now set variable 'i' and check that it is correctly displayed. 105 self.runCmd("expression i = 3.14") 106 self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY, 107 startstr = "(double) i = 3.14") 108 109 self.runCmd("continue") 110 111 # main.c:85 112 # Check that 'frame variable --show-types' displays the correct data type and value. 113 # rdar://problem/8422727 114 # set_values test directory: 'frame variable' shows only (long double) i = 115 self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY, 116 startstr = "(long double) i = 3.14159") 117 118 # Now set variable 'i' and check that it is correctly displayed. 119 self.runCmd("expression i = 3.1") 120 self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY, 121 startstr = "(long double) i = 3.1") 122 123 124 if __name__ == '__main__': 125 import atexit 126 lldb.SBDebugger.Initialize() 127 atexit.register(lambda: lldb.SBDebugger.Terminate()) 128 unittest2.main() 129
