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    @add_test_categories(["libc++"])
13    @skipIf(compiler=no_match("clang"))
14    @skipIf(compiler="clang", compiler_version=['<', '9.0'])
15    @skipIfLinux # s.reset() causes link errors on ubuntu 18.04/Clang 9
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        if self.expectedCompiler(["clang"]) and self.expectedCompilerVersion(['>', '16.0']):
26            ptr_type = "std::unique_ptr<int>"
27        else:
28            ptr_type = "std::unique_ptr<int, std::default_delete<int> >"
29
30        self.expect_expr(
31            "s",
32            result_type=ptr_type,
33            result_summary="3",
34            result_children=[ValueCheck(name="__value_")])
35        self.expect_expr("*s", result_type="int", result_value="3")
36        self.expect_expr("*s = 5", result_type="int", result_value="5")
37        self.expect_expr("*s", result_type="int", result_value="5")
38        self.expect_expr("(bool)s", result_type="bool", result_value="true")
39        self.expect("expr s.reset()")
40        self.expect_expr("(bool)s", result_type="bool", result_value="false")
41