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path: root/lldb/test/API/commands/expression/import-std-module/vector-dbg-info-content/TestDbgInfoContentVectorFromStdModule.py
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"""
Test basic std::vector functionality but with a declaration from
the debug info (the Foo struct) as content.
"""

from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil


class TestDbgInfoContentVector(TestBase):
    @add_test_categories(["libc++"])
    @skipIf(compiler=no_match("clang"))
    @skipIf(compiler="clang", compiler_version=["<", "12.0"])
    @skipIf(macos_version=["<", "14.0"])
    @skipIf(
        bugnumber="ASTImport of lambdas not supported: https://github.com/llvm/llvm-project/issues/149477"
    )
    def test(self):
        self.build()

        lldbutil.run_to_source_breakpoint(
            self, "// Set break point at this line.", lldb.SBFileSpec("main.cpp")
        )

        self.runCmd("settings set target.import-std-module true")

        if self.expectedCompiler(["clang"]) and self.expectedCompilerVersion(
            [">", "16.0"]
        ):
            vector_type = "std::vector<Foo>"
        else:
            vector_type = "std::vector<Foo, std::allocator<Foo> >"

        size_type = "size_type"
        value_type = "value_type"
        iterator = "iterator"
        # LLDB's formatter provides us with a artificial 'item' member.
        iterator_children = [ValueCheck(name="item")]
        riterator = "reverse_iterator"
        riterator_children = [
            ValueCheck(),  # Deprecated __t_ member; no need to check
            ValueCheck(name="current"),
        ]

        self.expect_expr(
            "a",
            result_type=vector_type,
            result_children=[
                ValueCheck(children=[ValueCheck(value="3")]),
                ValueCheck(children=[ValueCheck(value="1")]),
                ValueCheck(children=[ValueCheck(value="2")]),
            ],
        )

        self.expect_expr("a.size()", result_type=size_type, result_value="3")
        self.expect_expr("a.front().a", result_type="int", result_value="3")
        self.expect_expr("a[1].a", result_type="int", result_value="1")
        self.expect_expr("a.back().a", result_type="int", result_value="2")

        self.expect("expr std::reverse(a.begin(), a.end())")
        self.expect_expr("a.front().a", result_type="int", result_value="2")

        self.expect_expr("a.begin()->a", result_type="int", result_value="2")
        self.expect_expr("a.rbegin()->a", result_type="int", result_value="3")

        self.expect("expr a.pop_back()")
        self.expect_expr("a.back().a", result_type="int", result_value="1")
        self.expect_expr("a.size()", result_type=size_type, result_value="2")

        self.expect_expr("a.at(0).a", result_type="int", result_value="2")

        self.expect("expr a.push_back({4})")
        self.expect_expr("a.back().a", result_type="int", result_value="4")
        self.expect_expr("a.size()", result_type=size_type, result_value="3")

        self.expect_expr(
            "a.begin()", result_type=iterator, result_children=iterator_children
        )
        self.expect_expr(
            "a.rbegin()", result_type=riterator, result_children=riterator_children
        )