1""" 2Test basic std::weak_ptr functionality. 3""" 4 5from lldbsuite.test.decorators import * 6from lldbsuite.test.lldbtest import * 7from lldbsuite.test import lldbutil 8 9 10class TestSharedPtr(TestBase): 11 12 mydir = TestBase.compute_mydir(__file__) 13 14 @add_test_categories(["libc++"]) 15 @skipIf(compiler=no_match("clang")) 16 def test(self): 17 self.build() 18 19 lldbutil.run_to_source_breakpoint(self, 20 "// Set break point at this line.", 21 lldb.SBFileSpec("main.cpp")) 22 23 self.runCmd("settings set target.import-std-module true") 24 25 self.expect_expr("w", 26 result_type="std::weak_ptr<int>", 27 result_summary="3 strong=1 weak=2", 28 result_children=[ValueCheck(name="__ptr_")]) 29 self.expect_expr("*w.lock()", result_type="int", result_value="3") 30 self.expect_expr("*w.lock() = 5", result_type="int", result_value="5") 31 self.expect_expr("*w.lock()", result_type="int", result_value="5") 32 self.expect_expr("w.use_count()", result_type="long", result_value="1") 33 self.expect("expr w.reset()") 34 self.expect_expr("w.use_count()", result_type="long", result_value="0") 35