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"""
Tests std::queue functionality.
"""
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestQueue(TestBase):
@add_test_categories(["libc++"])
@skipIf(compiler=no_match("clang"))
@skipIf(
compiler="clang",
compiler_version=[">", "16.0"],
bugnumber="https://github.com/llvm/llvm-project/issues/68968",
)
@skipIf(
compiler="clang",
compiler_version=["<", "17.0"],
)
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"]
):
queue_type = "std::queue<C>"
else:
queue_type = "std::queue<C, std::deque<C, std::allocator<C> > >"
size_type = "size_type"
value_type = "value_type"
# Test std::queue functionality with a std::deque.
self.expect_expr(
"q_deque",
result_type=queue_type,
result_children=[ValueCheck(children=[ValueCheck(value="1")])],
)
self.expect("expr q_deque.pop()")
self.expect("expr q_deque.push({4})")
self.expect_expr("q_deque.size()", result_type=size_type, result_value="1")
self.expect_expr("q_deque.front()", result_type=value_type)
self.expect_expr("q_deque.back()", result_type=value_type)
self.expect_expr("q_deque.front().i", result_type="int", result_value="4")
self.expect_expr("q_deque.back().i", result_type="int", result_value="4")
self.expect_expr("q_deque.empty()", result_type="bool", result_value="false")
self.expect("expr q_deque.pop()")
self.expect("expr q_deque.emplace(5)")
self.expect_expr("q_deque.front().i", result_type="int", result_value="5")
# Test std::queue functionality with a std::list.
if self.expectedCompiler(["clang"]) and self.expectedCompilerVersion(
[">", "16.0"]
):
queue_type = "std::queue<C, std::list<C> >"
else:
queue_type = "std::queue<C, std::list<C, std::allocator<C> > >"
self.expect_expr(
"q_list",
result_type=queue_type,
result_children=[ValueCheck(children=[ValueCheck(value="1")])],
)
self.expect("expr q_list.pop()")
self.expect("expr q_list.push({4})")
self.expect_expr("q_list.size()", result_type=size_type, result_value="1")
self.expect_expr("q_list.front()", result_type=value_type)
self.expect_expr("q_list.back()", result_type=value_type)
self.expect_expr("q_list.front().i", result_type="int", result_value="4")
self.expect_expr("q_list.back().i", result_type="int", result_value="4")
self.expect_expr("q_list.empty()", result_type="bool", result_value="false")
self.expect("expr q_list.pop()")
self.expect("expr q_list.emplace(5)")
self.expect_expr("q_list.front().i", result_type="int", result_value="5")
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