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"""
Test basic std::array functionality.
"""
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@add_test_categories(["libc++"])
@skipIf(compiler=no_match("clang"))
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 inspecting an array of integers.
array_type = "std::array<int, 3>"
size_type = "std::array::size_type"
value_type = array_type + "::value_type"
iterator = array_type + "::iterator"
riterator = array_type + "::reverse_iterator"
self.expect_expr("a",
result_type=array_type,
result_children=[
ValueCheck(name="__elems_", children=[
ValueCheck(value="3"),
ValueCheck(value="1"),
ValueCheck(value="2"),
])
])
self.expect_expr("a.size()", result_type=size_type, result_value="3")
self.expect_expr("a.front()", result_type=value_type, result_value="3")
self.expect_expr("a[1]", result_type=value_type, result_value="1")
self.expect_expr("a.back()", result_type=value_type, result_value="2")
# Both are just pointers to the underlying elements.
self.expect_expr("a.begin()", result_type=iterator)
self.expect_expr("a.rbegin()", result_type=riterator)
self.expect_expr("*a.begin()", result_type=value_type, result_value="3")
self.expect_expr("*a.rbegin()", result_type="int", result_value="2")
self.expect_expr("a.at(0)", result_type=value_type, result_value="3")
# Same again with an array that has an element type from debug info.
array_type = "std::array<DbgInfo, 1>"
size_type = "std::array::size_type"
value_type = array_type + "::value_type"
iterator = array_type + "::iterator"
riterator = array_type + "::reverse_iterator"
dbg_info_elem_children = [ValueCheck(value="4")]
dbg_info_elem = [ValueCheck(children=dbg_info_elem_children)]
self.expect_expr("b",
result_type=array_type,
result_children=[
ValueCheck(name="__elems_", children=dbg_info_elem)
])
self.expect_expr("b.size()", result_type=size_type, result_value="1")
self.expect_expr("b.front()", result_type=value_type, result_children=dbg_info_elem_children)
self.expect_expr("b[0]", result_type=value_type, result_children=dbg_info_elem_children)
self.expect_expr("b.back()", result_type=value_type, result_children=dbg_info_elem_children)
# Both are just pointers to the underlying elements.
self.expect_expr("b.begin()", result_type=iterator)
self.expect_expr("b.rbegin()", result_type=riterator)
self.expect_expr("*b.begin()", result_type=value_type, result_children=dbg_info_elem_children)
self.expect_expr("*b.rbegin()", result_type="DbgInfo", result_children=dbg_info_elem_children)
self.expect_expr("b.at(0)", result_type=value_type, result_children=dbg_info_elem_children)
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