| """ |
| Test that LLDB doesn't crash if the std module we load is empty. |
| """ |
| |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| import os |
| |
| |
| class ImportStdModule(TestBase): |
| # We only emulate a fake libc++ in this test and don't use the real libc++, |
| # but we still add the libc++ category so that this test is only run in |
| # test configurations where libc++ is actually supposed to be tested. |
| @add_test_categories(["libc++"]) |
| @skipIfRemote |
| @skipIf(compiler=no_match("clang")) |
| def test(self): |
| self.build() |
| |
| sysroot = os.path.join(os.getcwd(), "root") |
| |
| # Set the sysroot. |
| self.runCmd( |
| "platform select --sysroot '" + sysroot + "' host", CURRENT_EXECUTABLE_SET |
| ) |
| |
| lldbutil.run_to_source_breakpoint( |
| self, "// Set break point at this line.", lldb.SBFileSpec("main.cpp") |
| ) |
| |
| self.runCmd("settings set target.import-std-module true") |
| |
| # Use the typedef that is only defined in our 'empty' module. If this fails, then LLDB |
| # somehow figured out the correct define for the header and compiled the right |
| # standard module that actually contains the std::vector template. |
| self.expect("expr MissingContent var = 3; var", substrs=["$0 = 3"]) |
| # Try to access our mock std::vector. This should fail but not crash LLDB as the |
| # std::vector template should be missing from the std module. |
| self.expect( |
| "expr (size_t)v.size()", substrs=["Couldn't lookup symbols"], error=True |
| ) |