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"""
Test lldb-mi -gdb-set and -gdb-show commands.
"""
from __future__ import print_function
import unittest2
import lldbmi_testcase
from lldbsuite.test.lldbtest import *
class MiGdbSetShowTestCase(lldbmi_testcase.MiTestCaseBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
def test_lldbmi_gdb_set_target_async_default(self):
"""Test that 'lldb-mi --interpreter' switches to async mode by default."""
self.spawnLldbMi(args = None)
# Switch to sync mode
self.runCmd("-gdb-set target-async off")
self.expect("\^done")
self.runCmd("-gdb-show target-async")
self.expect("\^done,value=\"off\"")
# Test that -gdb-set switches to async by default
self.runCmd("-gdb-set target-async")
self.expect("\^done")
self.runCmd("-gdb-show target-async")
self.expect("\^done,value=\"on\"")
@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
@expectedFlakeyLinux("llvm.org/pr26028") # Fails in ~1% of cases
def test_lldbmi_gdb_set_target_async_on(self):
"""Test that 'lldb-mi --interpreter' can execute commands in async mode."""
self.spawnLldbMi(args = None)
# Switch to sync mode
self.runCmd("-gdb-set target-async off")
self.expect("\^done")
self.runCmd("-gdb-show target-async")
self.expect("\^done,value=\"off\"")
# Test that -gdb-set can switch to async mode
self.runCmd("-gdb-set target-async on")
self.expect("\^done")
self.runCmd("-gdb-show target-async")
self.expect("\^done,value=\"on\"")
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Test that program is executed in async mode
self.runCmd("-exec-run")
self.expect("\*running")
self.expect("@\"argc=1")
@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
@expectedFailureLinux # Failing in ~11/600 dosep runs (build 3120-3122)
def test_lldbmi_gdb_set_target_async_off(self):
"""Test that 'lldb-mi --interpreter' can execute commands in sync mode."""
self.spawnLldbMi(args = None)
# Test that -gdb-set can switch to sync mode
self.runCmd("-gdb-set target-async off")
self.expect("\^done")
self.runCmd("-gdb-show target-async")
self.expect("\^done,value=\"off\"")
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Test that program is executed in async mode
self.runCmd("-exec-run")
unexpected = [ "\*running" ] # "\*running" is async notification
it = self.expect(unexpected + [ "@\"argc=1\\\\r\\\\n" ])
if it < len(unexpected):
self.fail("unexpected found: %s" % unexpected[it])
@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
def test_lldbmi_gdb_show_target_async(self):
"""Test that 'lldb-mi --interpreter' in async mode by default."""
self.spawnLldbMi(args = None)
# Test that default target-async value is "on"
self.runCmd("-gdb-show target-async")
self.expect("\^done,value=\"on\"")
@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
def test_lldbmi_gdb_show_language(self):
"""Test that 'lldb-mi --interpreter' can get current language."""
self.spawnLldbMi(args = None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Run to main
self.runCmd("-break-insert -f main")
self.expect("\^done,bkpt={number=\"1\"")
self.runCmd("-exec-run")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Test that -gdb-show language gets current language
self.runCmd("-gdb-show language")
self.expect("\^done,value=\"c\+\+\"")
@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
@unittest2.expectedFailure("-gdb-set ignores unknown properties")
def test_lldbmi_gdb_set_unknown(self):
"""Test that 'lldb-mi --interpreter' fails when setting an unknown property."""
self.spawnLldbMi(args = None)
# Test that -gdb-set fails if property is unknown
self.runCmd("-gdb-set unknown some_value")
self.expect("\^error")
@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
@unittest2.expectedFailure("-gdb-show ignores unknown properties")
def test_lldbmi_gdb_show_unknown(self):
"""Test that 'lldb-mi --interpreter' fails when showing an unknown property."""
self.spawnLldbMi(args = None)
# Test that -gdb-show fails if property is unknown
self.runCmd("-gdb-show unknown")
self.expect("\^error")
@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
@skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
def test_lldbmi_gdb_set_ouptut_radix(self):
"""Test that 'lldb-mi --interpreter' works for -gdb-set output-radix."""
self.spawnLldbMi(args = None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Run to BP_printf
line = line_number('main.cpp', '// BP_printf')
self.runCmd("-break-insert main.cpp:%d" % line)
self.expect("\^done,bkpt={number=\"1\"")
self.runCmd("-exec-run")
self.expect("\^running");
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Setup variable
self.runCmd("-var-create var_a * a");
self.expect("\^done,name=\"var_a\",numchild=\"0\",value=\"10\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
# Test default output
self.runCmd("-var-evaluate-expression var_a");
self.expect("\^done,value=\"10\"");
# Test hex output
self.runCmd("-gdb-set output-radix 16");
self.expect("\^done");
self.runCmd("-var-evaluate-expression var_a");
self.expect("\^done,value=\"0xa\"");
# Test octal output
self.runCmd("-gdb-set output-radix 8");
self.expect("\^done");
self.runCmd("-var-evaluate-expression var_a");
self.expect("\^done,value=\"012\"");
# Test decimal output
self.runCmd("-gdb-set output-radix 10");
self.expect("\^done");
self.runCmd("-var-evaluate-expression var_a");
self.expect("\^done,value=\"10\"");
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