45 lines · python
1"""2Tests that C strings work as expected in expressions3"""4import lldb5from lldbsuite.test.decorators import *6from lldbsuite.test.lldbtest import *7from lldbsuite.test import lldbutil8 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=True19 )20 21 self.runCmd("process launch", RUN_SUCCEEDED)22 23 self.expect("expression -- a[2]", patterns=[r"\((const )?char\) \$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