xref: /llvm-project/lldb/test/API/commands/expression/radar_9673664/TestExprHelpExamples.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53)
1"""
2Test example snippets from the lldb 'help expression' output.
3"""
4
5
6import lldb
7from lldbsuite.test.decorators import *
8from lldbsuite.test.lldbtest import *
9from lldbsuite.test import lldbutil
10
11
12class Radar9673644TestCase(TestBase):
13    def setUp(self):
14        # Call super's setUp().
15        TestBase.setUp(self)
16        # Find the line number to break inside main().
17        self.main_source = "main.c"
18        self.line = line_number(self.main_source, "// Set breakpoint here.")
19
20    def test_expr_commands(self):
21        """The following expression commands should just work."""
22        self.build()
23
24        self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
25
26        lldbutil.run_break_set_by_file_and_line(
27            self, self.main_source, self.line, num_expected_locations=1, loc_exact=True
28        )
29
30        self.runCmd("run", RUN_SUCCEEDED)
31
32        # rdar://problem/9673664 lldb expression evaluation problem
33
34        self.expect('expr char str[] = "foo"; str[0]', substrs=["'f'"])
35        # runCmd: expr char c[] = "foo"; c[0]
36        # output: (char) $0 = 'f'
37