43 lines · python
1"""2Test that LLDB doesn't crash if the std module we load is empty.3"""4 5from lldbsuite.test.decorators import *6from lldbsuite.test.lldbtest import *7from lldbsuite.test import lldbutil8import os9 10 11class ImportStdModule(TestBase):12 # We only emulate a fake libc++ in this test and don't use the real libc++,13 # but we still add the libc++ category so that this test is only run in14 # test configurations where libc++ is actually supposed to be tested.15 @add_test_categories(["libc++"])16 @skipIfRemote17 @skipIf(compiler=no_match("clang"))18 def test(self):19 self.build()20 21 sysroot = os.path.join(os.getcwd(), "root")22 23 # Set the sysroot.24 self.runCmd(25 "platform select --sysroot '" + sysroot + "' host", CURRENT_EXECUTABLE_SET26 )27 28 lldbutil.run_to_source_breakpoint(29 self, "// Set break point at this line.", lldb.SBFileSpec("main.cpp")30 )31 32 self.runCmd("settings set target.import-std-module true")33 34 # Use the typedef that is only defined in our 'empty' module. If this fails, then LLDB35 # somehow figured out the correct define for the header and compiled the right36 # standard module that actually contains the std::vector template.37 self.expect("expr MissingContent var = 3; var", substrs=["$0 = 3"])38 # Try to access our mock std::vector. This should fail but not crash LLDB as the39 # std::vector template should be missing from the std module.40 self.expect(41 "expr (size_t)v.size()", substrs=["Couldn't look up symbols"], error=True42 )43