1""" 2Test that objective-c constant strings are generated correctly by the expression 3parser. 4""" 5 6 7import lldb 8from lldbsuite.test.decorators import * 9from lldbsuite.test.lldbtest import * 10from lldbsuite.test import lldbutil 11 12 13class ConstStringTestCase(TestBase): 14 d = {"OBJC_SOURCES": "const-strings.m"} 15 16 def setUp(self): 17 # Call super's setUp(). 18 TestBase.setUp(self) 19 # Find the line number to break inside main(). 20 self.main_source = "const-strings.m" 21 self.line = line_number(self.main_source, "// Set breakpoint here.") 22 23 def test_break(self): 24 """Test constant string generation amd comparison by the expression parser.""" 25 self.build(dictionary=self.d) 26 self.setTearDownCleanup(self.d) 27 28 exe = self.getBuildArtifact("a.out") 29 self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) 30 31 lldbutil.run_break_set_by_file_and_line( 32 self, self.main_source, self.line, num_expected_locations=1, loc_exact=True 33 ) 34 35 self.runCmd("run", RUN_SUCCEEDED) 36 self.expect( 37 "process status", 38 STOPPED_DUE_TO_BREAKPOINT, 39 substrs=[ 40 "stop reason = breakpoint", 41 " at %s:%d" % (self.main_source, self.line), 42 ], 43 ) 44 45 self.expect('expression (int)[str compare:@"hello"]', startstr="(int) $0 = 0") 46 self.expect('expression (int)[str compare:@"world"]', startstr="(int) $1 = -1") 47 48 # Test empty strings, too. 49 self.expect('expression (int)[@"" length]', startstr="(int) $2 = 0") 50 51 self.expect('expression (int)[@"123" length]', startstr="(int) $3 = 3") 52