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    @add_test_categories(["libc++"])
12    @skipIf(compiler=no_match("clang"))
13    @skipIf(compiler="clang", compiler_version=["<", "9.0"])
14    @skipIfLinux  # s.reset() causes link errors on ubuntu 18.04/Clang 9
15    def test(self):
16        self.build()
17
18        lldbutil.run_to_source_breakpoint(
19            self, "// Set break point at this line.", lldb.SBFileSpec("main.cpp")
20        )
21
22        self.runCmd("settings set target.import-std-module true")
23
24        if self.expectedCompiler(["clang"]) and self.expectedCompilerVersion(
25            [">", "16.0"]
26        ):
27            ptr_type = "std::unique_ptr<int>"
28        else:
29            ptr_type = "std::unique_ptr<int, std::default_delete<int> >"
30
31        self.expect_expr(
32            "s",
33            result_type=ptr_type,
34            result_summary="3",
35            result_children=[ValueCheck(name="pointer")],
36        )
37        self.expect_expr("*s", result_type="int", result_value="3")
38        self.expect_expr("*s = 5", result_type="int", result_value="5")
39        self.expect_expr("*s", result_type="int", result_value="5")
40        self.expect_expr("(bool)s", result_type="bool", result_value="true")
41        self.expect("expr s.reset()")
42        self.expect_expr("(bool)s", result_type="bool", result_value="false")
43