| """ |
| 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): |
| 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('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"]) |
