1""" 2Tests that C strings work as expected in expressions 3""" 4import lldb 5from lldbsuite.test.decorators import * 6from lldbsuite.test.lldbtest import * 7from lldbsuite.test import lldbutil 8 9 10class CStringsTestCase(TestBase): 11 def test_with_run_command(self): 12 """Tests that C strings work as expected in expressions""" 13 self.build() 14 self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) 15 16 line = line_number("main.c", "// breakpoint 1") 17 lldbutil.run_break_set_by_file_and_line( 18 self, "main.c", line, num_expected_locations=1, loc_exact=True 19 ) 20 21 self.runCmd("process launch", RUN_SUCCEEDED) 22 23 self.expect("expression -- a[2]", patterns=["\((const )?char\) \$0 = 'c'"]) 24 25 self.expect("expression -- z[2]", startstr="(const char) $1 = 'x'") 26 27 # On Linux, the expression below will test GNU indirect function calls. 28 self.expect('expression -- (int)strlen("hello")', startstr="(int) $2 = 5") 29 30 self.expect('expression -- "world"[2]', startstr="(const char) $3 = 'r'") 31 32 self.expect('expression -- ""[0]', startstr="(const char) $4 = '\\0'") 33 34 self.expect('expr --raw -- "hello"', substrs=["[0] = 'h'", "[5] = '\\0'"]) 35 36 self.expect('expression "hello"', substrs=["[6]) $", "hello"]) 37 38 self.expect( 39 'expression (char*)"hello"', substrs=["(char *) $", " = 0x", "hello"] 40 ) 41 42 self.expect('expression (int)strlen("")', substrs=["(int) $", " = 0"]) 43 44 self.expect("expression !z", substrs=["false"]) 45