""" Test lldb-mi -var-xxx commands. """ import lldbmi_testcase from lldbtest import * import unittest2 class MiVarTestCase(lldbmi_testcase.MiTestCaseBase): mydir = TestBase.compute_mydir(__file__) @lldbmi_test @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows") @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races def test_lldbmi_eval(self): """Test that 'lldb-mi --interpreter' works for evaluating.""" self.spawnLldbMi(args = None) # Load executable self.runCmd("-file-exec-and-symbols %s" % self.myexe) self.expect("\^done") # Run to program return line = line_number('main.cpp', '// BP_return') 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\"") # Print non-existant variable self.runCmd("-var-create var1 * undef") #self.expect("\^error") #FIXME: shows undef as {...} self.runCmd("-data-evaluate-expression undef") self.expect("\^error,msg=\"Could not evaluate expression\"") # Print global "g_MyVar", modify, delete and create again self.runCmd("-data-evaluate-expression g_MyVar") self.expect("\^done,value=\"3\"") self.runCmd("-var-create var2 * g_MyVar") self.expect("\^done,name=\"var2\",numchild=\"0\",value=\"3\",type=\"int\",thread-id=\"1\",has_more=\"0\"") self.runCmd("-var-evaluate-expression var2") self.expect("\^done,value=\"3\"") self.runCmd("-var-show-attributes var2") self.expect("\^done,status=\"editable\"") self.runCmd("-var-list-children var2") self.expect("\^done,numchild=\"0\"") self.runCmd("-data-evaluate-expression \"g_MyVar=30\"") self.expect("\^done,value=\"30\"") self.runCmd("-var-update --all-values var2") #self.expect("\^done,changelist=\[\{name=\"var2\",value=\"30\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") #FIXME -var-update doesn't work self.runCmd("-var-delete var2") self.expect("\^done") self.runCmd("-var-create var2 * g_MyVar") self.expect("\^done,name=\"var2\",numchild=\"0\",value=\"30\",type=\"int\",thread-id=\"1\",has_more=\"0\"") # Print static "s_MyVar", modify, delete and create again self.runCmd("-data-evaluate-expression s_MyVar") self.expect("\^done,value=\"30\"") self.runCmd("-var-create var3 * s_MyVar") self.expect("\^done,name=\"var3\",numchild=\"0\",value=\"30\",type=\"int\",thread-id=\"1\",has_more=\"0\"") self.runCmd("-var-evaluate-expression var3") self.expect("\^done,value=\"30\"") self.runCmd("-var-show-attributes var3") self.expect("\^done,status=\"editable\"") self.runCmd("-var-list-children var3") self.expect("\^done,numchild=\"0\"") self.runCmd("-data-evaluate-expression \"s_MyVar=3\"") self.expect("\^done,value=\"3\"") self.runCmd("-var-update --all-values var3") #self.expect("\^done,changelist=\[\{name=\"var3\",value=\"3\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") #FIXME -var-update doesn't work self.runCmd("-var-delete var3") self.expect("\^done") self.runCmd("-var-create var3 * s_MyVar") self.expect("\^done,name=\"var3\",numchild=\"0\",value=\"3\",type=\"int\",thread-id=\"1\",has_more=\"0\"") # Print local "b", modify, delete and create again self.runCmd("-data-evaluate-expression b") self.expect("\^done,value=\"20\"") self.runCmd("-var-create var4 * b") self.expect("\^done,name=\"var4\",numchild=\"0\",value=\"20\",type=\"int\",thread-id=\"1\",has_more=\"0\"") self.runCmd("-var-evaluate-expression var4") self.expect("\^done,value=\"20\"") self.runCmd("-var-show-attributes var4") self.expect("\^done,status=\"editable\"") self.runCmd("-var-list-children var4") self.expect("\^done,numchild=\"0\"") self.runCmd("-data-evaluate-expression \"b=2\"") self.expect("\^done,value=\"2\"") self.runCmd("-var-update --all-values var4") #self.expect("\^done,changelist=\[\{name=\"var4\",value=\"2\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") #FIXME -var-update doesn't work self.runCmd("-var-delete var4") self.expect("\^done") self.runCmd("-var-create var4 * b") self.expect("\^done,name=\"var4\",numchild=\"0\",value=\"2\",type=\"int\",thread-id=\"1\",has_more=\"0\"") # Print temp "a + b" self.runCmd("-data-evaluate-expression \"a + b\"") self.expect("\^done,value=\"12\"") self.runCmd("-var-create var5 * \"a + b\"") self.expect("\^done,name=\"var5\",numchild=\"0\",value=\"12\",type=\"int\",thread-id=\"1\",has_more=\"0\"") self.runCmd("-var-evaluate-expression var5") self.expect("\^done,value=\"12\"") self.runCmd("-var-show-attributes var5") self.expect("\^done,status=\"editable\"") #FIXME editable or not? self.runCmd("-var-list-children var5") self.expect("\^done,numchild=\"0\"") # Print argument "argv[0]" self.runCmd("-data-evaluate-expression \"argv[0]\"") self.expect("\^done,value=\"0x[0-9a-f]+\"") self.runCmd("-var-create var6 * \"argv[0]\"") self.expect("\^done,name=\"var6\",numchild=\"1\",value=\"0x[0-9a-f]+ \\\\\\\".*?%s\\\\\\\"\",type=\"const char \*\",thread-id=\"1\",has_more=\"0\"" % self.myexe) self.runCmd("-var-evaluate-expression var6") self.expect("\^done,value=\"0x[0-9a-f]+ \\\\\\\".*?%s\\\\\\\"\"" % self.myexe) self.runCmd("-var-show-attributes var6") self.expect("\^done,status=\"editable\"") self.runCmd("-var-list-children --all-values var6") # FIXME: The name below is not correct. It should be "var.*argv[0]". self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var6\.\*\$[0-9]+\",exp=\"\*\$[0-9]+\",numchild=\"0\",type=\"const char\",thread-id=\"4294967295\",value=\"47 '/'\",has_more=\"0\"\}\]") #FIXME -var-list-children shows invalid thread-id @lldbmi_test @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_var_update(self): """Test that 'lldb-mi --interpreter' works for -var-update.""" self.spawnLldbMi(args = None) # Load executable self.runCmd("-file-exec-and-symbols %s" % self.myexe) self.expect("\^done") # Run to BP_var_update_test_init line = line_number('main.cpp', '// BP_var_update_test_init') 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 variables self.runCmd("-var-create var_l * l") self.expect("\^done,name=\"var_l\",numchild=\"0\",value=\"1\",type=\"long\",thread-id=\"1\",has_more=\"0\"") self.runCmd("-var-create var_complx * complx") self.expect("\^done,name=\"var_complx\",numchild=\"3\",value=\"\{\.\.\.\}\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"") self.runCmd("-var-create var_complx_array * complx_array") self.expect("\^done,name=\"var_complx_array\",numchild=\"2\",value=\"\[2\]\",type=\"complex_type \[2\]\",thread-id=\"1\",has_more=\"0\"") # Go to BP_var_update_test_l line = line_number('main.cpp', '// BP_var_update_test_l') self.runCmd("-break-insert main.cpp:%d" % line) self.expect("\^done,bkpt={number=\"2\"") self.runCmd("-exec-continue") self.expect("\^running") self.expect("\*stopped,reason=\"breakpoint-hit\"") # Test that var_l was updated self.runCmd("-var-update --all-values var_l") self.expect("\^done,changelist=\[\{name=\"var_l\",value=\"0\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") # Go to BP_var_update_test_complx line = line_number('main.cpp', '// BP_var_update_test_complx') self.runCmd("-break-insert main.cpp:%d" % line) self.expect("\^done,bkpt={number=\"3\"") self.runCmd("-exec-continue") self.expect("\^running") self.expect("\*stopped,reason=\"breakpoint-hit\"") # Test that var_complx was updated self.runCmd("-var-update --all-values var_complx") self.expect("\^done,changelist=\[\{name=\"var_complx\",value=\"\{\.\.\.\}\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") # Go to BP_var_update_test_complx_array line = line_number('main.cpp', '// BP_var_update_test_complx_array') self.runCmd("-break-insert main.cpp:%d" % line) self.expect("\^done,bkpt={number=\"4\"") self.runCmd("-exec-continue") self.expect("\^running") self.expect("\*stopped,reason=\"breakpoint-hit\"") # Test that var_complex_array was updated self.runCmd("-var-update --all-values var_complx_array") self.expect("\^done,changelist=\[\{name=\"var_complx_array\",value=\"\[2\]\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") @lldbmi_test @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows") @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races def test_lldbmi_var_create_register(self): """Test that 'lldb-mi --interpreter' works for -var-create $regname.""" 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\"") # Find name of register 0 self.runCmd("-data-list-register-names 0") self.expect("\^done,register-names=\[\".+?\"\]") register_name = self.child.after.split("\"")[1] # Create variable for register 0 # Note that message is different in Darwin and Linux: # Darwin: "^done,name=\"var_reg\",numchild=\"0\",value=\"0x[0-9a-f]+\",type=\"unsigned long\",thread-id=\"1\",has_more=\"0\" # Linux: "^done,name=\"var_reg\",numchild=\"0\",value=\"0x[0-9a-f]+\",type=\"unsigned int\",thread-id=\"1\",has_more=\"0\" self.runCmd("-var-create var_reg * $%s" % register_name) self.expect("\^done,name=\"var_reg\",numchild=\"0\",value=\"0x[0-9a-f]+\",type=\"unsigned (long|int)\",thread-id=\"1\",has_more=\"0\"") # Assign value to variable self.runCmd("-var-assign var_reg \"6\"") #FIXME: the output has different format for 32bit and 64bit values self.expect("\^done,value=\"0x0*?6\"") # Assert register 0 updated self.runCmd("-data-list-register-values d 0") self.expect("\^done,register-values=\[{number=\"0\",value=\"6\"") if __name__ == '__main__': unittest2.main()