105 lines
5.2 KiB
Python
105 lines
5.2 KiB
Python
"""
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Test DIL arithmetic.
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"""
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import lldb
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test.decorators import *
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from lldbsuite.test import lldbutil
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class TestFrameVarDILArithmetic(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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def test_arithmetic(self):
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self.build()
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(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
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self, "Set a breakpoint here", lldb.SBFileSpec("main.cpp")
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)
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self.runCmd("settings set target.experimental.use-DIL true")
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# Check unary results and integral promotion
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self.expect_var_path("+0", value="0")
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self.expect_var_path("-0", value="0")
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self.expect_var_path("+1", value="1")
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self.expect_var_path("-1", value="-1")
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self.expect_var_path("-9223372036854775808", value="9223372036854775808")
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self.expect_var_path("s", value="10", type="short")
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self.expect_var_path("+s", value="10", type="int")
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self.expect_var_path("-s", value="-10", type="int")
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self.expect_var_path("+us", value="1", type="int")
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self.expect_var_path("-us", value="-1", type="int")
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self.expect_var_path("+ref", value="2", type="int")
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self.expect_var_path("-ref", value="-2", type="int")
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self.expect_var_path("+0.0", value="0")
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self.expect_var_path("-0.0", value="-0")
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self.expect_var_path("+enum_one", value="1")
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self.expect_var_path("-enum_one", value="-1")
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self.expect_var_path("+wchar", value="1")
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self.expect_var_path("+char16", value="2")
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self.expect_var_path("+char32", value="3")
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self.expect_var_path("-bitfield.a", value="-1", type="int")
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self.expect_var_path("+bitfield.a", value="1", type="int")
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self.expect_var_path("+bitfield.b", value="2", type="int")
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self.expect_var_path("+bitfield.c", value="3", type="unsigned int")
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self.expect_var_path("+bitfield.d", value="4", type="uint64_t")
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# Check basic math and resulting types
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self.expect_var_path("1 + 2", value="3", type="int")
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self.expect_var_path("1 + true", value="2", type="int")
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self.expect_var_path("1UL + wchar", value="2", type="unsigned long")
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self.expect_var_path("1UL + char16", value="3", type="unsigned long")
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self.expect_var_path("1ULL + char32", value="4", type="unsigned long long")
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self.expect_var_path("1UL + 1L", value="2", type="unsigned long")
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self.expect_var_path("s + x", value="12", type="int")
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self.expect_var_path("s + l", value="15", type="long")
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self.expect_var_path("l + ul", value="11", type="unsigned long")
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self.expect_var_path("1.0 + 2.5", value="3.5", type="double")
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self.expect_var_path("1 + 2.5f", value="3.5", type="float")
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self.expect_var_path("2. + .5", value="2.5", type="double")
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self.expect_var_path("2.f + .5f", value="2.5", type="float")
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self.expect_var_path("f + d", value="3.5", type="double")
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self.expect_var_path("1 + s + (x + l)", value="18", type="long")
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self.expect_var_path("+2 + (-1)", value="1", type="int")
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self.expect_var_path("-2 + (+1)", value="-1", type="int")
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self.expect_var_path("1 + (2 - 3)", value="0")
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self.expect_var_path("s - x - 1", value="7")
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# Check limits and overflows
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frame = thread.GetFrameAtIndex(0)
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int_min = frame.GetValueForVariablePath("int_min").GetValue()
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int_max = frame.GetValueForVariablePath("int_max").GetValue()
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uint_max = frame.GetValueForVariablePath("uint_max").GetValue()
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ll_min = frame.GetValueForVariablePath("ll_min").GetValue()
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ll_max = frame.GetValueForVariablePath("ll_max").GetValue()
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ull_max = frame.GetValueForVariablePath("ull_max").GetValue()
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self.expect_var_path("int_max + 1", value=int_min)
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self.expect_var_path("int_min - 1", value=int_max)
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self.expect_var_path("uint_max + 1", value="0")
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self.expect_var_path("uint_zero - 1", value=uint_max)
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self.expect_var_path("ll_max + 1", value=ll_min)
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self.expect_var_path("ll_min - 1", value=ll_max)
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self.expect_var_path("ull_max + 1", value="0")
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self.expect_var_path("ull_zero - 1", value=ull_max)
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# Check signed integer promotion when different types have the same size
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uint = frame.GetValueForVariablePath("ui")
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long = frame.GetValueForVariablePath("l")
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if uint.GetByteSize() == long.GetByteSize():
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self.expect_var_path("ui + l", value="9", type="unsigned long")
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self.expect_var_path("l + ui", value="9", type="unsigned long")
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ulong = frame.GetValueForVariablePath("ul")
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longlong = frame.GetValueForVariablePath("ll")
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if ulong.GetByteSize() == longlong.GetByteSize():
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self.expect_var_path("ul + ll", value="13", type="unsigned long long")
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self.expect_var_path("ll + ul", value="13", type="unsigned long long")
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# Check references and typedefs
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self.expect_var_path("ref + 1", value="3")
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self.expect_var_path("ref - 1l", value="1")
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self.expect_var_path("my_ref + 1", value="3")
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self.expect_var_path("my_ref - 1", value="1")
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self.expect_var_path("ref + my_ref", value="4")
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self.expect_var_path("ref - my_ref", value="0")
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