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"""
Tests std::stack functionality.
"""
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestStack(TestBase):
mydir = TestBase.compute_mydir(__file__)
@add_test_categories(["libc++"])
@skipIf(compiler=no_match("clang"))
@skipIfLinux # Declaration in some Linux headers causes LLDB to crash.
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")
# Test std::stack functionality with a std::deque.
stack_type = "std::stack<C>"
size_type = stack_type + "::size_type"
self.expect_expr("s_deque", result_type=stack_type)
self.expect("expr s_deque.pop()")
self.expect("expr s_deque.push({4})")
self.expect_expr("s_deque.size()",
result_type=size_type,
result_value="3")
self.expect_expr("s_deque.top().i",
result_type="int",
result_value="4")
self.expect("expr s_deque.emplace(5)")
self.expect_expr("s_deque.top().i",
result_type="int",
result_value="5")
# Test std::stack functionality with a std::vector.
stack_type = "std::stack<C, std::vector<C> >"
size_type = stack_type + "::size_type"
self.expect_expr("s_vector", result_type=stack_type)
self.expect("expr s_vector.pop()")
self.expect("expr s_vector.push({4})")
self.expect_expr("s_vector.size()",
result_type=size_type,
result_value="3")
self.expect_expr("s_vector.top().i",
result_type="int",
result_value="4")
self.expect("expr s_vector.emplace(5)")
self.expect_expr("s_vector.top().i",
result_type="int",
result_value="5")
# Test std::stack functionality with a std::list.
stack_type = "std::stack<C, std::list<C> >"
size_type = stack_type + "::size_type"
self.expect_expr("s_list", result_type=stack_type)
self.expect("expr s_list.pop()")
self.expect("expr s_list.push({4})")
self.expect_expr("s_list.size()",
result_type=size_type,
result_value="3")
self.expect_expr("s_list.top().i", result_type="int", result_value="4")
self.expect("expr s_list.emplace(5)")
self.expect_expr("s_list.top().i", result_type="int", result_value="5")
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