""" 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\"");