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"""
Test that objective-c constant strings are generated correctly by the expression
parser.
"""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class ConstStringTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
d = {'OBJC_SOURCES': 'const-strings.m'}
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.main_source = "const-strings.m"
self.line = line_number(self.main_source, '// Set breakpoint here.')
@skipUnlessDarwin
def test_break(self):
"""Test constant string generation amd comparison by the expression parser."""
self.build(dictionary=self.d)
self.setTearDownCleanup(self.d)
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, 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)
self.expect("process status", STOPPED_DUE_TO_BREAKPOINT,
substrs = [" at %s:%d" % (self.main_source, self.line),
"stop reason = breakpoint"])
self.expect('expression (int)[str compare:@"hello"]',
startstr = "(int) $0 = 0")
self.expect('expression (int)[str compare:@"world"]',
startstr = "(int) $1 = -1")
# Test empty strings, too.
self.expect('expression (int)[@"" length]',
startstr = "(int) $2 = 0")
self.expect('expression (int)[@"123" length]',
startstr = "(int) $3 = 3")
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