1"""
2Test basic std::unique_ptr functionality.
3"""
4
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8
9
10class TestUniquePtr(TestBase):
11
12    mydir = TestBase.compute_mydir(__file__)
13
14    @add_test_categories(["libc++"])
15    @skipIf(compiler=no_match("clang"))
16    @skipIf(compiler="clang", compiler_version=['<', '9.0'])
17    @skipIfLinux # s.reset() causes link errors on ubuntu 18.04/Clang 9
18    def test(self):
19        self.build()
20
21        lldbutil.run_to_source_breakpoint(self,
22                                          "// Set break point at this line.",
23                                          lldb.SBFileSpec("main.cpp"))
24
25        self.runCmd("settings set target.import-std-module true")
26
27        self.expect_expr(
28            "s",
29            result_type="std::unique_ptr<int>",
30            result_summary="3",
31            result_children=[ValueCheck(name="__value_")])
32        self.expect_expr("*s", result_type="int", result_value="3")
33        self.expect_expr("*s = 5", result_type="int", result_value="5")
34        self.expect_expr("*s", result_type="int", result_value="5")
35        self.expect_expr("(bool)s", result_type="bool", result_value="true")
36        self.expect("expr s.reset()")
37        self.expect_expr("(bool)s", result_type="bool", result_value="false")
38