8c6e138aa8
This patch implements VSCode DAP logpoints feature (also called tracepoint in other VS debugger). This will provide a convenient way for user to do printf style logging debugging without pausing debuggee. Differential Revision: https://reviews.llvm.org/D127702
144 lines
5.0 KiB
Python
144 lines
5.0 KiB
Python
"""
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Test lldb-vscode logpoints feature.
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"""
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import unittest2
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import vscode
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import shutil
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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import lldbvscode_testcase
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import os
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class TestVSCode_logpoints(lldbvscode_testcase.VSCodeTestCaseBase):
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mydir = TestBase.compute_mydir(__file__)
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def setUp(self):
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lldbvscode_testcase.VSCodeTestCaseBase.setUp(self)
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self.main_basename = 'main-copy.cpp'
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self.main_path = os.path.realpath(self.getBuildArtifact(self.main_basename))
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@skipIfWindows
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@skipIfRemote
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def test_logmessage_basic(self):
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'''Tests breakpoint logmessage basic functionality.'''
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before_loop_line = line_number('main.cpp', '// before loop')
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loop_line = line_number('main.cpp', '// break loop')
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after_loop_line = line_number('main.cpp', '// after loop')
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program = self.getBuildArtifact("a.out")
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self.build_and_launch(program)
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# Set a breakpoint at a line before loop
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before_loop_breakpoint_ids = self.set_source_breakpoints(
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self.main_path,
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[before_loop_line])
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self.assertEquals(len(before_loop_breakpoint_ids), 1, "expect one breakpoint")
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self.vscode.request_continue()
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# Verify we hit the breakpoint before loop line
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self.verify_breakpoint_hit(before_loop_breakpoint_ids)
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# Swallow old console output
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self.get_console()
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# Set two breakpoints:
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# 1. First at the loop line with logMessage
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# 2. Second guard breakpoint at a line after loop
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logMessage_prefix = "This is log message for { -- "
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# Trailing newline is needed for splitlines()
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logMessage = logMessage_prefix + "{i + 3}\n"
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[loop_breakpoint_id, post_loop_breakpoint_id] = self.set_source_breakpoints(
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self.main_path,
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[loop_line, after_loop_line],
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[{'logMessage': logMessage}, {}]
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)
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# Continue to trigger the breakpoint with log messages
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self.vscode.request_continue()
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# Verify we hit the breakpoint after loop line
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self.verify_breakpoint_hit([post_loop_breakpoint_id])
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output = self.get_console()
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lines = output.splitlines()
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logMessage_output = []
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for line in lines:
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if line.startswith(logMessage_prefix):
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logMessage_output.append(line)
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# Verify logMessage count
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loop_count = 10
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self.assertEqual(len(logMessage_output), loop_count)
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# Verify log message match
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for idx, logMessage_line in enumerate(logMessage_output):
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result = idx + 3
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self.assertEqual(logMessage_line, logMessage_prefix + str(result))
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@skipIfWindows
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@skipIfRemote
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def test_logmessage_advanced(self):
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'''Tests breakpoint logmessage functionality for complex expression.'''
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before_loop_line = line_number('main.cpp', '// before loop')
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loop_line = line_number('main.cpp', '// break loop')
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after_loop_line = line_number('main.cpp', '// after loop')
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program = self.getBuildArtifact("a.out")
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self.build_and_launch(program)
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# Set a breakpoint at a line before loop
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before_loop_breakpoint_ids = self.set_source_breakpoints(
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self.main_path,
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[before_loop_line])
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self.assertEquals(len(before_loop_breakpoint_ids), 1, "expect one breakpoint")
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self.vscode.request_continue()
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# Verify we hit the breakpoint before loop line
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self.verify_breakpoint_hit(before_loop_breakpoint_ids)
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# Swallow old console output
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self.get_console()
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# Set two breakpoints:
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# 1. First at the loop line with logMessage
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# 2. Second guard breakpoint at a line after loop
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logMessage_prefix = "This is log message for { -- "
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# Trailing newline is needed for splitlines()
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logMessage = logMessage_prefix + "{int y = 0; if (i % 3 == 0) { y = i + 3;} else {y = i * 3;} y}\n"
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[loop_breakpoint_id, post_loop_breakpoint_id] = self.set_source_breakpoints(
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self.main_path,
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[loop_line, after_loop_line],
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[{'logMessage': logMessage}, {}]
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)
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# Continue to trigger the breakpoint with log messages
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self.vscode.request_continue()
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# Verify we hit the breakpoint after loop line
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self.verify_breakpoint_hit([post_loop_breakpoint_id])
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output = self.get_console()
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lines = output.splitlines()
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logMessage_output = []
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for line in lines:
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if line.startswith(logMessage_prefix):
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logMessage_output.append(line)
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# Verify logMessage count
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loop_count = 10
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self.assertEqual(len(logMessage_output), loop_count)
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# Verify log message match
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for idx, logMessage_line in enumerate(logMessage_output):
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result = idx + 3 if idx % 3 == 0 else idx * 3
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self.assertEqual(logMessage_line, logMessage_prefix + str(result))
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