1"""
2Test std::weak_ptr functionality with a decl from debug info as content.
3"""
4
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8
9class TestDbgInfoContentWeakPtr(TestBase):
10
11    mydir = TestBase.compute_mydir(__file__)
12
13    @add_test_categories(["libc++"])
14    @skipIf(compiler=no_match("clang"))
15    def test(self):
16        self.build()
17
18        lldbutil.run_to_source_breakpoint(self,
19            "// Set break point at this line.", lldb.SBFileSpec("main.cpp"))
20
21        self.runCmd("settings set target.import-std-module true")
22
23        self.expect("expr (int)w.lock()->a", substrs=['(int) $0 = 3'])
24        self.expect("expr (int)(w.lock()->a = 5)", substrs=['(int) $1 = 5'])
25        self.expect("expr (int)w.lock()->a", substrs=['(int) $2 = 5'])
26        self.expect("expr w.use_count()", substrs=['(long) $3 = 1'])
27        self.expect("expr w.reset()")
28        self.expect("expr w.use_count()", substrs=['(long) $4 = 0'])
29
30