| """ | |
| Test basic std::weak_ptr functionality. | |
| """ | |
| from lldbsuite.test.decorators import * | |
| from lldbsuite.test.lldbtest import * | |
| from lldbsuite.test import lldbutil | |
| class TestSharedPtr(TestBase): | |
| @add_test_categories(["libc++"]) | |
| @skipIf(compiler=no_match("clang")) | |
| @skipIf(compiler="clang", compiler_version=["<", "17.0"]) | |
| @skipIf(macos_version=["<", "15.0"]) | |
| def test(self): | |
| self.build() | |
| 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") | |
| self.expect_expr( | |
| "w", | |
| result_type="std::weak_ptr<int>", | |
| result_summary="3 strong=1 weak=1", | |
| result_children=[ValueCheck(name="pointer")], | |
| ) | |
| self.expect_expr("*w.lock()", result_type="element_type", result_value="3") | |
| self.expect_expr("*w.lock() = 5", result_type="element_type", result_value="5") | |
| self.expect_expr("*w.lock()", result_type="element_type", result_value="5") | |
| self.expect_expr("w.use_count()", result_type="long", result_value="1") | |
| self.expect("expr w.reset()") | |
| self.expect_expr("w.use_count()", result_type="long", result_value="0") |