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"""
Test example snippets from the lldb 'help expression' output.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class Radar9673644TestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.main_source = "main.c"
self.line = line_number(self.main_source, '// Set breakpoint here.')
def test_expr_commands(self):
"""The following expression commands should just work."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self,
self.main_source,
self.line,
num_expected_locations=1,
loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# rdar://problem/9673664 lldb expression evaluation problem
self.expect('expr char str[] = "foo"; str[0]',
substrs=["'f'"])
# runCmd: expr char c[] = "foo"; c[0]
# output: (char) $0 = 'f'
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