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"""
Tests that C strings work as expected in expressions
"""
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class CStringsTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureWindows("llvm.org/pr21765")
def test_with_run_command(self):
"""Tests that C strings work as expected in expressions"""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
line = line_number('main.c', '// breakpoint 1')
lldbutil.run_break_set_by_file_and_line (self, "main.c", line, num_expected_locations=1, loc_exact=True)
self.runCmd("process launch", RUN_SUCCEEDED)
self.expect("expression -- a[2]",
patterns = ["\((const )?char\) \$0 = 'c'"])
self.expect("expression -- z[2]",
startstr = "(const char) $1 = 'x'")
# On Linux, the expression below will test GNU indirect function calls.
self.expect("expression -- (int)strlen(\"hello\")",
startstr = "(int) $2 = 5")
self.expect("expression -- \"world\"[2]",
startstr = "(const char) $3 = 'r'")
self.expect("expression -- \"\"[0]",
startstr = "(const char) $4 = '\\0'")
self.expect("expr --raw -- \"hello\"",
substrs = ['[0] = \'h\'',
'[5] = \'\\0\''])
self.expect("p \"hello\"",
substrs = ['[6]) $', 'hello'])
self.expect("p (char*)\"hello\"",
substrs = ['(char *) $', ' = 0x',
'hello'])
self.expect("p (int)strlen(\"\")",
substrs = ['(int) $', ' = 0'])
self.expect("expression !z",
substrs = ['false'])
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