| """ |
| Test lldb breakpoint command add/list/delete. |
| """ |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| |
| class BreakpointCommandTestCase(TestBase): |
| |
| mydir = os.path.join("functionalities", "breakpoint", "breakpoint_command") |
| |
| @classmethod |
| def classCleanup(cls): |
| """Cleanup the test byproduct of breakpoint_command_sequence(self).""" |
| system(["/bin/sh", "-c", "rm -f output.txt"]) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @dsym_test |
| def test_with_dsym(self): |
| """Test a sequence of breakpoint command add, list, and delete.""" |
| self.buildDsym() |
| self.breakpoint_command_sequence() |
| self.breakpoint_command_script_parameters () |
| |
| @dwarf_test |
| def test_with_dwarf(self): |
| """Test a sequence of breakpoint command add, list, and delete.""" |
| self.buildDwarf() |
| self.breakpoint_command_sequence() |
| self.breakpoint_command_script_parameters () |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to break inside main(). |
| self.line = line_number('main.c', '// Set break point at this line.') |
| |
| def breakpoint_command_sequence(self): |
| """Test a sequence of breakpoint command add, list, and delete.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Add three breakpoints on the same line. The first time we don't specify the file, |
| # since the default file is the one containing main: |
| self.expect("breakpoint set -l %d" % self.line, |
| BREAKPOINT_CREATED, |
| startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 1" % |
| self.line) |
| self.expect("breakpoint set -f main.c -l %d" % self.line, |
| BREAKPOINT_CREATED, |
| startstr = "Breakpoint created: 2: file ='main.c', line = %d, locations = 1" % |
| self.line) |
| self.expect("breakpoint set -f main.c -l %d" % self.line, |
| BREAKPOINT_CREATED, |
| startstr = "Breakpoint created: 3: file ='main.c', line = %d, locations = 1" % |
| self.line) |
| |
| # Now add callbacks for the breakpoints just created. |
| self.runCmd("breakpoint command add -s command -o 'frame variable -T -s' 1") |
| self.runCmd("breakpoint command add -s python -o 'here = open(\"output.txt\", \"w\"); print >> here, \"lldb\"; here.close()' 2") |
| self.runCmd("breakpoint command add --python-function bktptcmd.function 3") |
| |
| # Check that the breakpoint commands are correctly set. |
| |
| # The breakpoint list now only contains breakpoint 1. |
| self.expect("breakpoint list", "Breakpoints 1 & 2 created", |
| substrs = ["1: file ='main.c', line = %d, locations = 1" % self.line, |
| "2: file ='main.c', line = %d, locations = 1" % self.line] ) |
| |
| self.expect("breakpoint list -f", "Breakpoints 1 & 2 created", |
| substrs = ["1: file ='main.c', line = %d, locations = 1" % self.line, |
| "2: file ='main.c', line = %d, locations = 1" % self.line], |
| patterns = ["1.1: .+at main.c:%d, .+unresolved, hit count = 0" % self.line, |
| "2.1: .+at main.c:%d, .+unresolved, hit count = 0" % self.line]) |
| |
| self.expect("breakpoint command list 1", "Breakpoint 1 command ok", |
| substrs = ["Breakpoint commands:", |
| "frame variable -T -s"]) |
| self.expect("breakpoint command list 2", "Breakpoint 2 command ok", |
| substrs = ["Breakpoint commands:", |
| "here = open", |
| "print >> here", |
| "here.close()"]) |
| self.expect("breakpoint command list 3", "Breakpoint 3 command ok", |
| substrs = ["Breakpoint commands:", |
| "bktptcmd.function(frame, bp_loc, dict)"]) |
| |
| self.runCmd("command script import --allow-reload ./bktptcmd.py") |
| |
| # Next lets try some other breakpoint kinds. First break with a regular expression |
| # and then specify only one file. The first time we should get two locations, |
| # the second time only one: |
| self.expect ("break set -r ._MyFunction", |
| patterns = ["Breakpoint created: [0-9]+: regex = '\._MyFunction', locations = 2"]) |
| |
| self.expect ("break set -r ._MyFunction -f a.c", |
| patterns = ["Breakpoint created: [0-9]+: regex = '\._MyFunction', locations = 1"]) |
| |
| self.expect ("break set -r ._MyFunction -f a.c -f b.c", |
| patterns = ["Breakpoint created: [0-9]+: regex = '\._MyFunction', locations = 2"]) |
| |
| # Now try a source regex breakpoint: |
| self.expect ("break set -p \"is about to return [12]0\" -f a.c -f b.c", |
| patterns = ["Breakpoint created: [0-9]+: source regex = \"is about to return \[12\]0\", locations = 2"]) |
| |
| self.expect ("break set -p \"is about to return [12]0\" -f a.c", |
| patterns = ["Breakpoint created: [0-9]+: source regex = \"is about to return \[12\]0\", locations = 1"]) |
| |
| # Run the program. Remove 'output.txt' if it exists. |
| if os.path.exists('output.txt'): |
| os.remove('output.txt') |
| if os.path.exists('output2.txt'): |
| os.remove('output2.txt') |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # Check that the file 'output.txt' exists and contains the string "lldb". |
| |
| # The 'output.txt' file should now exist. |
| self.assertTrue(os.path.isfile("output.txt"), |
| "'output.txt' exists due to breakpoint command for breakpoint 2.") |
| self.assertTrue(os.path.isfile("output2.txt"), |
| "'output2.txt' exists due to breakpoint command for breakpoint 3.") |
| |
| # Read the output file produced by running the program. |
| with open('output.txt', 'r') as f: |
| output = f.read() |
| |
| self.expect(output, "File 'output.txt' and the content matches", exe=False, |
| startstr = "lldb") |
| |
| with open('output2.txt', 'r') as f: |
| output = f.read() |
| |
| self.expect(output, "File 'output2.txt' and the content matches", exe=False, |
| startstr = "lldb") |
| |
| |
| # Finish the program. |
| self.runCmd("process continue") |
| |
| # Remove the breakpoint command associated with breakpoint 1. |
| self.runCmd("breakpoint command delete 1") |
| |
| # Remove breakpoint 2. |
| self.runCmd("breakpoint delete 2") |
| |
| self.expect("breakpoint command list 1", |
| startstr = "Breakpoint 1 does not have an associated command.") |
| self.expect("breakpoint command list 2", error=True, |
| startstr = "error: '2' is not a currently valid breakpoint id.") |
| |
| # The breakpoint list now only contains breakpoint 1. |
| self.expect("breakpoint list -f", "Breakpoint 1 exists", |
| substrs = ["1: file ='main.c', line = %d, locations = 1, resolved = 1" % |
| self.line, |
| "hit count = 1"]) |
| |
| # Not breakpoint 2. |
| self.expect("breakpoint list -f", "No more breakpoint 2", matching=False, |
| substrs = ["2: file ='main.c', line = %d, locations = 1, resolved = 1" % |
| self.line]) |
| |
| # Run the program again, with breakpoint 1 remaining. |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # We should be stopped again due to breakpoint 1. |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| 'stop reason = breakpoint']) |
| |
| # The breakpoint should have a hit count of 2. |
| self.expect("breakpoint list -f", BREAKPOINT_HIT_TWICE, |
| substrs = ['resolved, hit count = 2']) |
| |
| def breakpoint_command_script_parameters (self): |
| """Test that the frame and breakpoint location are being properly passed to the script breakpoint command function.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Add a breakpoint. |
| self.expect("breakpoint set -f main.c -l %d" % self.line, |
| BREAKPOINT_CREATED, |
| startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 1" % |
| self.line) |
| |
| # Now add callbacks for the breakpoints just created. |
| self.runCmd("breakpoint command add -s python -o 'here = open(\"output-2.txt\", \"w\"); print >> here, frame; print >> here, bp_loc; here.close()' 1") |
| |
| # Remove 'output-2.txt' if it already exists. |
| |
| if (os.path.exists('output-2.txt')): |
| os.remove ('output-2.txt') |
| |
| # Run program, hit breakpoint, and hopefully write out new version of 'output-2.txt' |
| self.runCmd ("run", RUN_SUCCEEDED) |
| |
| # Check that the file 'output.txt' exists and contains the string "lldb". |
| |
| # The 'output-2.txt' file should now exist. |
| self.assertTrue(os.path.isfile("output-2.txt"), |
| "'output-2.txt' exists due to breakpoint command for breakpoint 1.") |
| |
| # Read the output file produced by running the program. |
| with open('output-2.txt', 'r') as f: |
| output = f.read() |
| |
| self.expect (output, "File 'output-2.txt' and the content matches", exe=False, |
| startstr = "frame #0:", |
| patterns = ["1.* where = .*main .* resolved, hit count = 1" ]) |
| |
| # Now remove 'output-2.txt' |
| os.remove ('output-2.txt') |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
