Andrew Kaylor | 3bd2ebd | 2013-05-28 23:04:25 +0000 | [diff] [blame] | 1 | """ |
| 2 | Test number of threads. |
| 3 | """ |
| 4 | |
| 5 | import os, time |
| 6 | import unittest2 |
| 7 | import lldb |
| 8 | from lldbtest import * |
| 9 | import lldbutil |
| 10 | |
| 11 | class CreateDuringStepTestCase(TestBase): |
| 12 | |
| 13 | mydir = os.path.join("functionalities", "thread", "create_during_step") |
| 14 | |
| 15 | @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| 16 | @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
| 17 | @dsym_test |
| 18 | def test_step_inst_with_dsym(self): |
| 19 | """Test thread creation during step-inst handling.""" |
| 20 | self.buildDsym(dictionary=self.getBuildFlags()) |
| 21 | self.create_during_step_inst_test() |
| 22 | |
| 23 | @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| 24 | @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
| 25 | @dsym_test |
| 26 | def test_step_over_with_dsym(self): |
| 27 | """Test thread creation during step-over handling.""" |
| 28 | self.buildDsym(dictionary=self.getBuildFlags()) |
| 29 | self.create_during_step_over_test() |
| 30 | |
| 31 | @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| 32 | @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
| 33 | @dsym_test |
| 34 | def test_step_in_with_dsym(self): |
| 35 | """Test thread creation during step-in handling.""" |
| 36 | self.buildDsym(dictionary=self.getBuildFlags()) |
| 37 | self.create_during_step_in_test() |
| 38 | |
| 39 | @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
| 40 | @dwarf_test |
| 41 | def test_step_inst_with_dwarf(self): |
| 42 | """Test thread creation during step-inst handling.""" |
| 43 | self.buildDwarf(dictionary=self.getBuildFlags()) |
| 44 | self.create_during_step_inst_test() |
| 45 | |
| 46 | @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
Andrew Kaylor | 3bd2ebd | 2013-05-28 23:04:25 +0000 | [diff] [blame] | 47 | @dwarf_test |
| 48 | def test_step_over_with_dwarf(self): |
| 49 | """Test thread creation during step-over handling.""" |
| 50 | self.buildDwarf(dictionary=self.getBuildFlags()) |
| 51 | self.create_during_step_over_test() |
| 52 | |
| 53 | @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained |
Andrew Kaylor | 3bd2ebd | 2013-05-28 23:04:25 +0000 | [diff] [blame] | 54 | @dwarf_test |
| 55 | def test_step_in_with_dwarf(self): |
| 56 | """Test thread creation during step-in handling.""" |
| 57 | self.buildDwarf(dictionary=self.getBuildFlags()) |
| 58 | self.create_during_step_in_test() |
| 59 | |
| 60 | def setUp(self): |
| 61 | # Call super's setUp(). |
| 62 | TestBase.setUp(self) |
| 63 | # Find the line numbers to break and continue. |
| 64 | self.breakpoint = line_number('main.cpp', '// Set breakpoint here') |
| 65 | self.continuepoint = line_number('main.cpp', '// Continue from here') |
| 66 | |
| 67 | def create_during_step_inst_test(self): |
| 68 | """Test thread creation while using step-inst.""" |
Andrew Kaylor | f3657f4 | 2013-05-29 22:40:17 +0000 | [diff] [blame^] | 69 | self.create_during_step_base("thread step-inst -m all-threads", 'stop reason = instruction step') |
Andrew Kaylor | 3bd2ebd | 2013-05-28 23:04:25 +0000 | [diff] [blame] | 70 | |
| 71 | def create_during_step_over_test(self): |
| 72 | """Test thread creation while using step-over.""" |
Andrew Kaylor | f3657f4 | 2013-05-29 22:40:17 +0000 | [diff] [blame^] | 73 | self.create_during_step_base("thread step-over -m all-threads", 'stop reason = step over') |
Andrew Kaylor | 3bd2ebd | 2013-05-28 23:04:25 +0000 | [diff] [blame] | 74 | |
| 75 | def create_during_step_in_test(self): |
| 76 | """Test thread creation while using step-in.""" |
Andrew Kaylor | f3657f4 | 2013-05-29 22:40:17 +0000 | [diff] [blame^] | 77 | self.create_during_step_base("thread step-in -m all-threads", 'stop reason = step in') |
Andrew Kaylor | 3bd2ebd | 2013-05-28 23:04:25 +0000 | [diff] [blame] | 78 | |
Andrew Kaylor | f3657f4 | 2013-05-29 22:40:17 +0000 | [diff] [blame^] | 79 | def create_during_step_base(self, step_cmd, step_stop_reason): |
Andrew Kaylor | 3bd2ebd | 2013-05-28 23:04:25 +0000 | [diff] [blame] | 80 | """Test thread creation while using step-in.""" |
| 81 | exe = os.path.join(os.getcwd(), "a.out") |
| 82 | self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| 83 | |
| 84 | # This should create a breakpoint in the stepping thread. |
| 85 | lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.breakpoint, num_expected_locations=1) |
| 86 | |
| 87 | # The breakpoint list should show 1 location. |
| 88 | self.expect("breakpoint list -f", "Breakpoint location shown correctly", |
| 89 | substrs = ["1: file ='main.cpp', line = %d, locations = 1" % self.breakpoint]) |
| 90 | |
| 91 | # Run the program. |
| 92 | self.runCmd("run", RUN_SUCCEEDED) |
| 93 | |
| 94 | # The stop reason of the thread should be breakpoint. |
| 95 | self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| 96 | substrs = ['stopped', |
| 97 | 'stop reason = breakpoint']) |
| 98 | |
| 99 | # Get the target process |
| 100 | target = self.dbg.GetSelectedTarget() |
| 101 | process = target.GetProcess() |
| 102 | |
| 103 | # Get the number of threads |
| 104 | num_threads = process.GetNumThreads() |
| 105 | |
| 106 | # Make sure we see only two threads |
| 107 | self.assertTrue(num_threads == 2, 'Number of expected threads and actual threads do not match.') |
| 108 | |
| 109 | # Get the thread objects |
| 110 | thread1 = process.GetThreadAtIndex(0) |
| 111 | thread2 = process.GetThreadAtIndex(1) |
| 112 | |
| 113 | # Make sure both threads are stopped |
| 114 | self.assertTrue(thread1.IsStopped(), "Thread 1 didn't stop during breakpoint") |
| 115 | self.assertTrue(thread2.IsStopped(), "Thread 2 didn't stop during breakpoint") |
| 116 | |
| 117 | # Keep stepping until we've reached our designated continue point |
| 118 | stepping_thread = process.GetSelectedThread() |
| 119 | current_line = self.breakpoint |
| 120 | while current_line != self.continuepoint: |
| 121 | self.runCmd(step_cmd) |
| 122 | |
| 123 | # The thread creation may change the selected thread. |
| 124 | # If it does, we just change it back here. |
| 125 | if stepping_thread != process.GetSelectedThread(): |
| 126 | process.SetSelectedThread(stepping_thread) |
| 127 | |
| 128 | frame = stepping_thread.GetFrameAtIndex(0) |
| 129 | current_line = frame.GetLineEntry().GetLine() |
| 130 | |
| 131 | # Make sure we're still where we thought we were |
| 132 | self.assertTrue(current_line >= self.breakpoint, "Stepped to unexpected line, " + str(current_line)) |
| 133 | self.assertTrue(current_line <= self.continuepoint, "Stepped to unexpected line, " + str(current_line)) |
| 134 | |
| 135 | # Update the number of threads |
| 136 | num_threads = process.GetNumThreads() |
| 137 | |
| 138 | # Check to see that we increased the number of threads as expected |
| 139 | self.assertTrue(num_threads == 3, 'Number of expected threads and actual threads do not match after thread exit.') |
| 140 | |
Andrew Kaylor | f3657f4 | 2013-05-29 22:40:17 +0000 | [diff] [blame^] | 141 | self.expect("thread list", 'Process state is stopped due to step', |
Andrew Kaylor | 3bd2ebd | 2013-05-28 23:04:25 +0000 | [diff] [blame] | 142 | substrs = ['stopped', |
Andrew Kaylor | f3657f4 | 2013-05-29 22:40:17 +0000 | [diff] [blame^] | 143 | step_stop_reason]) |
Andrew Kaylor | 3bd2ebd | 2013-05-28 23:04:25 +0000 | [diff] [blame] | 144 | |
| 145 | # Run to completion |
| 146 | self.runCmd("process continue") |
| 147 | |
| 148 | # At this point, the inferior process should have exited. |
| 149 | self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED) |
| 150 | |
| 151 | if __name__ == '__main__': |
| 152 | import atexit |
| 153 | lldb.SBDebugger.Initialize() |
| 154 | atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| 155 | unittest2.main() |