""" Test lldb data formatter subsystem. """ import lldb from lldbsuite.test.lldbtest import * import lldbsuite.test.lldbutil as lldbutil class AdvDataFormatterTestCase(TestBase): def setUp(self): # Call super's setUp(). TestBase.setUp(self) # Find the line number to break at. self.line = line_number('main.cpp', '// Set break point at this line.') def test_with_run_command(self): """Test that that file and class static variables display correctly.""" self.build() self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) lldbutil.run_break_set_by_file_and_line( self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True) self.runCmd("run", RUN_SUCCEEDED) # The stop reason of the thread should be breakpoint. self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, substrs=['stopped', 'stop reason = breakpoint']) # This is the function to remove the custom formats in order to have a # clean slate for the next test case. def cleanup(): self.runCmd('type format clear', check=False) self.runCmd('type summary clear', check=False) self.runCmd( "settings set target.max-children-count 256", check=False) # Execute the cleanup function during test case tear down. self.addTearDownHook(cleanup) self.runCmd("type summary add --summary-string \"pippo\" \"i_am_cool\"") self.runCmd( "type summary add --summary-string \"pluto\" -x \"i_am_cool[a-z]*\"") self.expect("frame variable cool_boy", substrs=['pippo']) self.expect("frame variable cooler_boy", substrs=['pluto']) self.runCmd("type summary delete i_am_cool") self.expect("frame variable cool_boy", substrs=['pluto']) self.runCmd("type summary clear") self.runCmd( "type summary add --summary-string \"${var[]}\" -x \"^int\\[[0-9]\\]") self.expect("frame variable int_array", substrs=['1,2,3,4,5']) self.expect("frame variable const_int_array", substrs=['11,12,13,14,15']) # this will fail if we don't do [] as regex correctly self.runCmd( 'type summary add --summary-string "${var[].integer}" "i_am_cool[]') self.expect("frame variable cool_array", substrs=['1,1,1,1,6']) self.runCmd("type summary clear") self.runCmd( "type summary add --summary-string \"${var[1-0]%x}\" \"int\"") self.expect("frame variable iAmInt", substrs=['01']) self.runCmd( "type summary add --summary-string \"${var[0-1]%x}\" \"int\"") self.expect("frame variable iAmInt", substrs=['01']) self.runCmd("type summary clear") self.runCmd("type summary add --summary-string \"${var[0-1]%x}\" int") self.runCmd( "type summary add --summary-string \"${var[0-31]%x}\" float") self.expect("frame variable *pointer", substrs=['0x', '2']) # check fix for LLDB crashes when using a # "type summary" that uses bitfields with no format self.runCmd("type summary add --summary-string \"${var[0-1]}\" int") self.expect("frame variable iAmInt", substrs=['9 1']) self.expect("frame variable cool_array[3].floating", substrs=['0x']) self.runCmd( "type summary add --summary-string \"low bits are ${*var[0-1]} tgt is ${*var}\" \"int *\"") self.expect("frame variable pointer", substrs=['low bits are', 'tgt is 6']) self.expect( "frame variable int_array --summary-string \"${*var[0-1]}\"", substrs=['3']) self.runCmd("type summary clear") self.runCmd( 'type summary add --summary-string \"${var[0-1]}\" -x \"int\[[0-9]\]\"') self.expect("frame variable int_array", substrs=['1,2']) self.runCmd( 'type summary add --summary-string \"${var[0-1]}\" "int[]"') self.expect("frame variable int_array", substrs=['1,2']) # Test the patterns are matched in reverse-chronological order. self.runCmd( 'type summary add --summary-string \"${var[2-3]}\" "int[]"') self.expect("frame variable int_array", substrs=['3,4']) self.runCmd("type summary clear") self.runCmd("type summary add -c -x \"i_am_cool\[[0-9]\]\"") self.runCmd("type summary add -c i_am_cool") self.expect( "frame variable cool_array", substrs=[ '[0]', 'integer', 'floating', 'character', '[1]', 'integer', 'floating', 'character', '[2]', 'integer', 'floating', 'character', '[3]', 'integer', 'floating', 'character', '[4]', 'integer', 'floating', 'character', ]) self.runCmd( "type summary add --summary-string \"int = ${*var.int_pointer}, float = ${*var.float_pointer}\" IWrapPointers") self.expect("frame variable wrapper", substrs=['int = 4', 'float = 1.1']) self.runCmd( "type summary add --summary-string \"low bits = ${*var.int_pointer[2]}\" IWrapPointers -p") self.expect("frame variable wrapper", substrs=['low bits = 1']) self.expect("frame variable *wrap_pointer", substrs=['low bits = 1']) self.runCmd("type summary clear") self.expect( "frame variable int_array --summary-string \"${var[0][0-2]%hex}\"", substrs=[ '0x', '7']) self.runCmd("type summary clear") self.runCmd( "type summary add --summary-string \"${*var[].x[0-3]%hex} is a bitfield on a set of integers\" -x \"SimpleWithPointers\[[0-9]\]\"") self.expect( "frame variable couple --summary-string \"${*var.sp.x[0-2]} are low bits of integer ${*var.sp.x}. If I pretend it is an array I get ${var.sp.x[0-5]}\"", substrs=[ '1 are low bits of integer 9.', 'If I pretend it is an array I get [9,']) # if the summary has an error, we still display the value self.expect( "frame variable couple --summary-string \"${*var.sp.foo[0-2]\"", substrs=[ '(Couple) couple = {', 'x = 0x', 'y = 0x', 'z = 0x', 's = 0x']) self.runCmd( "type summary add --summary-string \"${*var.sp.x[0-2]} are low bits of integer ${*var.sp.x}. If I pretend it is an array I get ${var.sp.x[0-5]}\" Couple") self.expect("frame variable sparray", substrs=['[0x0000000f,0x0000000c,0x00000009]']) # check that we can format a variable in a summary even if a format is # defined for its datatype self.runCmd("type format add -f hex int") self.runCmd( "type summary add --summary-string \"x=${var.x%d}\" Simple") self.expect("frame variable a_simple_object", substrs=['x=3']) self.expect("frame variable a_simple_object", matching=False, substrs=['0x0']) # now check that the default is applied if we do not hand out a format self.runCmd("type summary add --summary-string \"x=${var.x}\" Simple") self.expect("frame variable a_simple_object", matching=False, substrs=['x=3']) self.expect("frame variable a_simple_object", matching=True, substrs=['x=0x00000003']) self.expect_var_path("constInt", value='0x0000002a') self.expect_var_path("volatileInt", value='0x0000002b') self.expect_var_path("constVolatileInt", value='0x0000002c') # check that we can correctly cap the number of children shown self.runCmd("settings set target.max-children-count 5") self.expect('frame variable a_long_guy', matching=True, substrs=['a_1', 'b_1', 'c_1', 'd_1', 'e_1', '...']) # check that no further stuff is printed (not ALL values are checked!) self.expect('frame variable a_long_guy', matching=False, substrs=['f_1', 'g_1', 'h_1', 'i_1', 'j_1', 'q_1', 'a_2', 'f_2', 't_2', 'w_2']) self.runCmd("settings set target.max-children-count 1") self.expect('frame variable a_long_guy', matching=True, substrs=['a_1', '...']) self.expect('frame variable a_long_guy', matching=False, substrs=['b_1', 'c_1', 'd_1', 'e_1']) self.expect('frame variable a_long_guy', matching=False, substrs=['f_1', 'g_1', 'h_1', 'i_1', 'j_1', 'q_1', 'a_2', 'f_2', 't_2', 'w_2']) self.runCmd("settings set target.max-children-count 30") self.expect('frame variable a_long_guy', matching=True, substrs=['a_1', 'b_1', 'c_1', 'd_1', 'e_1', 'z_1', 'a_2', 'b_2', 'c_2', 'd_2', '...']) self.expect('frame variable a_long_guy', matching=False, substrs=['e_2', 'n_2', 'r_2', 'i_2', 'k_2', 'o_2']) # override the cap self.expect( 'frame variable a_long_guy --show-all-children', matching=True, substrs=[ 'a_1', 'b_1', 'c_1', 'd_1', 'e_1', 'z_1', 'a_2', 'b_2', 'c_2', 'd_2']) self.expect( 'frame variable a_long_guy --show-all-children', matching=True, substrs=[ 'e_2', 'i_2', 'k_2', 'n_2', 'o_2', 'r_2', ]) self.expect( 'frame variable a_long_guy --show-all-children', matching=False, substrs=['...'])