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"""
Test breakpoint commands for a breakpoint ID with multiple locations.
"""
from __future__ import print_function
import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class BreakpointLocationsTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24528")
def test(self):
"""Test breakpoint enable/disable for a breakpoint ID with multiple locations."""
self.build()
self.breakpoint_locations_test()
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_locations_test(self):
"""Test breakpoint enable/disable for a breakpoint ID with multiple locations."""
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# This should create a breakpoint with 3 locations.
lldbutil.run_break_set_by_file_and_line(
self, "main.c", self.line, num_expected_locations=3)
# The breakpoint list should show 3 locations.
self.expect(
"breakpoint list -f",
"Breakpoint locations shown correctly",
substrs=[
"1: file = 'main.c', line = %d, exact_match = 0, locations = 3" %
self.line],
patterns=[
"where = a.out`func_inlined .+unresolved, hit count = 0",
"where = a.out`main .+\[inlined\].+unresolved, hit count = 0"])
# The 'breakpoint disable 3.*' command should fail gracefully.
self.expect("breakpoint disable 3.*",
"Disabling an invalid breakpoint should fail gracefully",
error=True,
startstr="error: '3' is not a valid breakpoint ID.")
# The 'breakpoint disable 1.*' command should disable all 3 locations.
self.expect(
"breakpoint disable 1.*",
"All 3 breakpoint locatons disabled correctly",
startstr="3 breakpoints disabled.")
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should not stopped on any breakpoint at all.
self.expect("process status", "No stopping on any disabled breakpoint",
patterns=["^Process [0-9]+ exited with status = 0"])
# The 'breakpoint enable 1.*' command should enable all 3 breakpoints.
self.expect(
"breakpoint enable 1.*",
"All 3 breakpoint locatons enabled correctly",
startstr="3 breakpoints enabled.")
# The 'breakpoint disable 1.1' command should disable 1 location.
self.expect(
"breakpoint disable 1.1",
"1 breakpoint locatons disabled correctly",
startstr="1 breakpoints disabled.")
# Run the program againt. We should stop on the two breakpoint
# locations.
self.runCmd("run", RUN_SUCCEEDED)
# Stopped once.
self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
substrs=["stop reason = breakpoint 1."])
# Continue the program, there should be another stop.
self.runCmd("process continue")
# Stopped again.
self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
substrs=["stop reason = breakpoint 1."])
# At this point, 1.1 has a hit count of 0 and the other a hit count of
# 1".
self.expect(
"breakpoint list -f",
"The breakpoints should report correct hit counts",
patterns=[
"1\.1: .+ unresolved, hit count = 0 +Options: disabled",
"1\.2: .+ resolved, hit count = 1",
"1\.3: .+ resolved, hit count = 1"])
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