| """ |
| Tests forward declarations coming from the `std` module. |
| """ |
| |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| import os |
| |
| |
| class TestCase(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 where our dummy libc++ exists. |
| 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") |
| |
| # Print the dummy `std::vector`. It only has the dummy member in it |
| # so the standard `std::vector` formatter can't format it. Instead use |
| # the raw output so LLDB has to show the member variable. |
| # Both `std::vector` and the type of the member have forward |
| # declarations before their definitions. |
| self.expect( |
| "expr --raw -- v", |
| patterns=[r"\(std::__[^:]*::vector<int>\) \$0 = {", "f = nullptr", "}"], |
| ) |