1 """ 2 Test some expressions involving STL data types. 3 """ 4 5 import os, time 6 import unittest2 7 import lldb 8 import lldbutil 9 from lldbtest import * 10 11 class STLTestCase(TestBase): 12 13 mydir = os.path.join("lang", "cpp", "stl") 14 15 # rdar://problem/10400981 16 @unittest2.expectedFailure 17 @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") 18 @dsym_test 19 def test_with_dsym(self): 20 """Test some expressions involving STL data types.""" 21 self.buildDsym() 22 self.step_stl_exprs() 23 24 # rdar://problem/10400981 25 @unittest2.expectedFailure 26 @dwarf_test 27 def test_with_dwarf(self): 28 """Test some expressions involving STL data types.""" 29 self.buildDwarf() 30 self.step_stl_exprs() 31 32 @python_api_test 33 @dsym_test 34 def test_SBType_template_aspects_with_dsym(self): 35 """Test APIs for getting template arguments from an SBType.""" 36 self.buildDsym() 37 self.sbtype_template_apis() 38 39 @skipIfGcc # llvm.org/pr15036: crashes during DWARF parsing when built with GCC 40 @expectedFailureIcc # icc 13.1 and 14-beta do not emit DW_TAG_template_type_parameter 41 @python_api_test 42 @dwarf_test 43 def test_SBType_template_aspects_with_dwarf(self): 44 """Test APIs for getting template arguments from an SBType.""" 45 self.buildDwarf() 46 self.sbtype_template_apis() 47 48 def setUp(self): 49 # Call super's setUp(). 50 TestBase.setUp(self) 51 # Find the line number to break inside main(). 52 self.source = 'main.cpp' 53 self.line = line_number(self.source, '// Set break point at this line.') 54 55 def step_stl_exprs(self): 56 """Test some expressions involving STL data types.""" 57 exe = os.path.join(os.getcwd(), "a.out") 58 59 # The following two lines, if uncommented, will enable loggings. 60 #self.ci.HandleCommand("log enable -f /tmp/lldb.log lldb default", res) 61 #self.assertTrue(res.Succeeded()) 62 63 self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) 64 65 # rdar://problem/8543077 66 # test/stl: clang built binaries results in the breakpoint locations = 3, 67 # is this a problem with clang generated debug info? 68 lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True) 69 70 self.runCmd("run", RUN_SUCCEEDED) 71 72 # Stop at 'std::string hello_world ("Hello World!");'. 73 self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, 74 substrs = ['main.cpp:%d' % self.line, 75 'stop reason = breakpoint']) 76 77 # The breakpoint should have a hit count of 1. 78 self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE, 79 substrs = [' resolved, hit count = 1']) 80 81 # Now try some expressions.... 82 83 self.runCmd('expr for (int i = 0; i < hello_world.length(); ++i) { (void)printf("%c\\n", hello_world[i]); }') 84 85 # rdar://problem/10373783 86 # rdar://problem/10400981 87 self.expect('expr associative_array.size()', 88 substrs = [' = 3']) 89 self.expect('expr associative_array.count(hello_world)', 90 substrs = [' = 1']) 91 self.expect('expr associative_array[hello_world]', 92 substrs = [' = 1']) 93 self.expect('expr associative_array["hello"]', 94 substrs = [' = 2']) 95 96 def sbtype_template_apis(self): 97 """Test APIs for getting template arguments from an SBType.""" 98 exe = os.path.join(os.getcwd(), 'a.out') 99 100 # Create a target by the debugger. 101 target = self.dbg.CreateTarget(exe) 102 self.assertTrue(target, VALID_TARGET) 103 104 # Create the breakpoint inside function 'main'. 105 breakpoint = target.BreakpointCreateByLocation(self.source, self.line) 106 self.assertTrue(breakpoint, VALID_BREAKPOINT) 107 108 # Now launch the process, and do not stop at entry point. 109 process = target.LaunchSimple(None, None, os.getcwd()) 110 self.assertTrue(process, PROCESS_IS_VALID) 111 112 # Get Frame #0. 113 self.assertTrue(process.GetState() == lldb.eStateStopped) 114 thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint) 115 self.assertTrue(thread.IsValid(), "There should be a thread stopped due to breakpoint condition") 116 frame0 = thread.GetFrameAtIndex(0) 117 118 # Get the type for variable 'associative_array'. 119 associative_array = frame0.FindVariable('associative_array') 120 self.DebugSBValue(associative_array) 121 self.assertTrue(associative_array, VALID_VARIABLE) 122 map_type = associative_array.GetType() 123 self.DebugSBType(map_type) 124 self.assertTrue(map_type, VALID_TYPE) 125 num_template_args = map_type.GetNumberOfTemplateArguments() 126 self.assertTrue(num_template_args > 0) 127 128 # We expect the template arguments to contain at least 'string' and 'int'. 129 expected_types = { 'string': False, 'int': False } 130 for i in range(num_template_args): 131 t = map_type.GetTemplateArgumentType(i) 132 self.DebugSBType(t) 133 self.assertTrue(t, VALID_TYPE) 134 name = t.GetName() 135 if 'string' in name: 136 expected_types['string'] = True 137 elif 'int' == name: 138 expected_types['int'] = True 139 140 # Check that both entries of the dictionary have 'True' as the value. 141 self.assertTrue(all(expected_types.values())) 142 143 144 if __name__ == '__main__': 145 import atexit 146 lldb.SBDebugger.Initialize() 147 atexit.register(lambda: lldb.SBDebugger.Terminate()) 148 unittest2.main() 149
