| """ |
| Tests that C strings work as expected in expressions |
| """ |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class CStringsTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765") |
| def test_with_run_command(self): |
| """Tests that C strings work as expected in expressions""" |
| self.build() |
| self.runCmd("file " + self.getBuildArtifact("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']) |
