| """ | |
| 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 | |
| @requireExpressionEvaluation | |
| class CStringsTestCase(TestBase): | |
| @expectedFailureAll(debug_info=["pdb"], bugnumber="llvm.org/pr149498") | |
| 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=[r"\((const )?char\) \$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('expression "hello"', substrs=["[6]) $", "hello"]) | |
| self.expect( | |
| 'expression (char*)"hello"', substrs=["(char *) $", " = 0x", "hello"] | |
| ) | |
| self.expect('expression (int)strlen("")', substrs=["(int) $", " = 0"]) | |
| self.expect("expression !z", substrs=["false"]) |