blob: f56cb11a80d848c5a7b870732cdb545c2257799e [file] [log] [blame]
"""
Test that lldb persistent types works correctly.
"""
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 PersistenttypesTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
def test_persistent_types(self):
"""Test that lldb persistent types works correctly."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
self.runCmd("breakpoint set --name main")
self.runCmd("run", RUN_SUCCEEDED)
self.runCmd("expression struct $foo { int a; int b; };")
self.expect(
"expression struct $foo $my_foo; $my_foo.a = 2; $my_foo.b = 3;",
startstr="(int) $0 = 3")
self.expect("expression $my_foo",
substrs=['a = 2', 'b = 3'])
self.runCmd("expression typedef int $bar")
self.expect("expression $bar i = 5; i",
startstr="($bar) $1 = 5")
self.runCmd(
"expression struct $foobar { char a; char b; char c; char d; };")
self.runCmd("next")
self.expect(
"memory read foo -t $foobar",
substrs=[
'($foobar) 0x',
' = ',
"a = 'H'",
"b = 'e'",
"c = 'l'",
"d = 'l'"]) # persistent types are OK to use for memory read
self.expect(
"memory read foo -t foobar",
substrs=[
'($foobar) 0x',
' = ',
"a = 'H'",
"b = 'e'",
"c = 'l'",
"d = 'l'"],
matching=False,
error=True) # the type name is $foobar, make sure we settle for nothing less
self.expect("expression struct { int a; int b; } x = { 2, 3 }; x",
substrs=['a = 2', 'b = 3'])
self.expect(
"expression struct { int x; int y; int z; } object; object.y = 1; object.z = 3; object.x = 2; object",
substrs=[
'x = 2',
'y = 1',
'z = 3'])
self.expect(
"expression struct A { int x; int y; }; struct { struct A a; int z; } object; object.a.y = 1; object.z = 3; object.a.x = 2; object",
substrs=[
'x = 2',
'y = 1',
'z = 3'])