1# encoding: utf-8
2"""
3Test lldb data formatter subsystem.
4"""
5
6
7import lldb
8from lldbsuite.test.decorators import *
9from lldbsuite.test.lldbtest import *
10from lldbsuite.test import lldbutil
11
12from ObjCDataFormatterTestCase import ObjCDataFormatterTestCase
13
14
15class ObjCDataFormatterExpr(ObjCDataFormatterTestCase):
16
17    @skipUnlessDarwin
18    def test_expr_with_run_command(self):
19        """Test common cases of expression parser <--> formatters interaction."""
20        self.build()
21        self.target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
22            self, '// Set break point at this line.',
23            lldb.SBFileSpec('main.m', False))
24
25        # The stop reason of the thread should be breakpoint.
26        self.expect(
27            "thread list",
28            STOPPED_DUE_TO_BREAKPOINT,
29            substrs=['stopped', 'stop reason = breakpoint'])
30
31        # This is the function to remove the custom formats in order to have a
32        # clean slate for the next test case.
33        def cleanup():
34            self.runCmd('type format clear', check=False)
35            self.runCmd('type summary clear', check=False)
36            self.runCmd('type synth clear', check=False)
37
38        # Execute the cleanup function during test case tear down.
39        self.addTearDownHook(cleanup)
40
41        # check that the formatters are able to deal safely and correctly
42        # with ValueObjects that the expression parser returns
43        self.expect(
44            'expression ((id)@"Hello for long enough to avoid short string types")',
45            matching=False,
46            substrs=['Hello for long enough to avoid short string types'])
47
48        self.expect(
49            'expression -d run -- ((id)@"Hello for long enough to avoid short string types")',
50            substrs=['Hello for long enough to avoid short string types'])
51
52        self.expect('expr -d run -- label1', substrs=['Process Name'])
53
54        self.expect(
55            'expr -d run -- @"Hello for long enough to avoid short string types"',
56            substrs=['Hello for long enough to avoid short string types'])
57
58        self.expect(
59            'expr -d run --object-description -- @"Hello for long enough to avoid short string types"',
60            substrs=['Hello for long enough to avoid short string types'])
61        self.expect(
62            'expr -d run --object-description -- @"Hello"',
63            matching=False,
64            substrs=['@"Hello" Hello'])
65