forked from OSchip/llvm-project
280 lines
11 KiB
Python
280 lines
11 KiB
Python
"""
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Test lldb data formatter subsystem.
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"""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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import lldbutil
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class CppDataFormatterTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@skipUnlessDarwin
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@dsym_test
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def test_with_dsym_and_run_command(self):
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"""Test data formatter commands."""
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self.buildDsym()
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self.data_formatter_commands()
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@dwarf_test
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def test_with_dwarf_and_run_command(self):
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"""Test data formatter commands."""
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self.buildDwarf()
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self.data_formatter_commands()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number to break at.
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self.line = line_number('main.cpp', '// Set break point at this line.')
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def data_formatter_commands(self):
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"""Test that that file and class static variables display correctly."""
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
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self.runCmd("run", RUN_FAILED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'stop reason = breakpoint'])
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self.expect("frame variable",
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substrs = ['(Speed) SPILookHex = 5.55' # Speed by default is 5.55.
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]);
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# This is the function to remove the custom formats in order to have a
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# clean slate for the next test case.
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def cleanup():
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self.runCmd('type format clear', check=False)
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self.runCmd('type summary clear', check=False)
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# Execute the cleanup function during test case tear down.
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self.addTearDownHook(cleanup)
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self.runCmd("type format add -C yes -f x Speed BitField")
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self.runCmd("type format add -C no -f c RealNumber")
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self.runCmd("type format add -C no -f x Type2")
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self.runCmd("type format add -C yes -f c Type1")
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# The type format list should show our custom formats.
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self.expect("type format list",
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substrs = ['RealNumber',
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'Speed',
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'BitField',
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'Type1',
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'Type2'])
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self.expect("frame variable",
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patterns = ['\(Speed\) SPILookHex = 0x[0-9a-f]+' # Speed should look hex-ish now.
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]);
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# gcc4.2 on Mac OS X skips typedef chains in the DWARF output
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if self.getCompiler() in ['clang', 'llvm-gcc']:
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self.expect("frame variable",
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patterns = ['\(SignalMask\) SMILookHex = 0x[0-9a-f]+' # SignalMask should look hex-ish now.
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]);
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self.expect("frame variable", matching=False,
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patterns = ['\(Type4\) T4ILookChar = 0x[0-9a-f]+' # Type4 should NOT look hex-ish now.
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]);
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# Now let's delete the 'Speed' custom format.
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self.runCmd("type format delete Speed")
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# The type format list should not show 'Speed' at this point.
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self.expect("type format list", matching=False,
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substrs = ['Speed'])
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# Delete type format for 'Speed', we should expect an error message.
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self.expect("type format delete Speed", error=True,
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substrs = ['no custom format for Speed'])
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self.runCmd("type summary add --summary-string \"arr = ${var%s}\" -x \"char \\[[0-9]+\\]\" -v")
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self.expect("frame variable strarr",
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substrs = ['arr = "Hello world!"'])
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self.runCmd("type summary clear")
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self.runCmd("type summary add --summary-string \"ptr = ${var%s}\" \"char *\" -v")
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self.expect("frame variable strptr",
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substrs = ['ptr = "Hello world!"'])
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self.runCmd("type summary add --summary-string \"arr = ${var%s}\" -x \"char \\[[0-9]+\\]\" -v")
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self.expect("frame variable strarr",
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substrs = ['arr = "Hello world!'])
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# check that rdar://problem/10011145 (Standard summary format for char[] doesn't work as the result of "expr".) is solved
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self.expect("p strarr",
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substrs = ['arr = "Hello world!'])
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self.expect("frame variable strptr",
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substrs = ['ptr = "Hello world!"'])
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self.expect("p strptr",
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substrs = ['ptr = "Hello world!"'])
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self.expect("p (char*)\"1234567890123456789012345678901234567890123456789012345678901234ABC\"",
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substrs = ['(char *) $', ' = ptr = ', ' "1234567890123456789012345678901234567890123456789012345678901234ABC"'])
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self.runCmd("type summary add -c Point")
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self.expect("frame variable iAmSomewhere",
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substrs = ['x = 4',
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'y = 6'])
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self.expect("type summary list",
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substrs = ['Point',
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'one-line'])
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self.runCmd("type summary add --summary-string \"y=${var.y%x}\" Point")
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self.expect("frame variable iAmSomewhere",
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substrs = ['y=0x'])
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self.runCmd("type summary add --summary-string \"y=${var.y},x=${var.x}\" Point")
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self.expect("frame variable iAmSomewhere",
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substrs = ['y=6',
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'x=4'])
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self.runCmd("type summary add --summary-string \"hello\" Point -e")
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self.expect("type summary list",
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substrs = ['Point',
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'show children'])
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self.expect("frame variable iAmSomewhere",
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substrs = ['hello',
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'x = 4',
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'}'])
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self.runCmd("type summary add --summary-string \"Sign: ${var[31]%B} Exponent: ${var[23-30]%x} Mantissa: ${var[0-22]%u}\" ShowMyGuts")
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self.expect("frame variable cool_pointer->floating",
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substrs = ['Sign: true',
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'Exponent: 0x',
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'80'])
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self.runCmd("type summary add --summary-string \"a test\" i_am_cool")
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self.expect("frame variable cool_pointer",
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substrs = ['a test'])
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self.runCmd("type summary add --summary-string \"a test\" i_am_cool --skip-pointers")
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self.expect("frame variable cool_pointer",
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substrs = ['a test'],
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matching = False)
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self.runCmd("type summary add --summary-string \"${var[1-3]}\" \"int [5]\"")
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self.expect("frame variable int_array",
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substrs = ['2',
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'3',
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'4'])
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self.runCmd("type summary clear")
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self.runCmd("type summary add --summary-string \"${var[0-2].integer}\" \"i_am_cool *\"")
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self.runCmd("type summary add --summary-string \"${var[2-4].integer}\" \"i_am_cool [5]\"")
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self.expect("frame variable cool_array",
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substrs = ['1,1,6'])
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self.expect("frame variable cool_pointer",
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substrs = ['3,0,0'])
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# test special symbols for formatting variables into summaries
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self.runCmd("type summary add --summary-string \"cool object @ ${var%L}\" i_am_cool")
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self.runCmd("type summary delete \"i_am_cool [5]\"")
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# this test might fail if the compiler tries to store
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# these values into registers.. hopefully this is not
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# going to be the case
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self.expect("frame variable cool_array",
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substrs = ['[0] = cool object @ 0x',
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'[1] = cool object @ 0x',
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'[2] = cool object @ 0x',
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'[3] = cool object @ 0x',
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'[4] = cool object @ 0x'])
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# test getting similar output by exploiting ${var} = 'type @ location' for aggregates
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self.runCmd("type summary add --summary-string \"${var}\" i_am_cool")
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# this test might fail if the compiler tries to store
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# these values into registers.. hopefully this is not
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# going to be the case
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self.expect("frame variable cool_array",
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substrs = ['[0] = i_am_cool @ 0x',
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'[1] = i_am_cool @ 0x',
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'[2] = i_am_cool @ 0x',
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'[3] = i_am_cool @ 0x',
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'[4] = i_am_cool @ 0x'])
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# test getting same output by exploiting %T and %L together for aggregates
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self.runCmd("type summary add --summary-string \"${var%T} @ ${var%L}\" i_am_cool")
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# this test might fail if the compiler tries to store
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# these values into registers.. hopefully this is not
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# going to be the case
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self.expect("frame variable cool_array",
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substrs = ['[0] = i_am_cool @ 0x',
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'[1] = i_am_cool @ 0x',
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'[2] = i_am_cool @ 0x',
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'[3] = i_am_cool @ 0x',
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'[4] = i_am_cool @ 0x'])
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self.runCmd("type summary add --summary-string \"goofy\" i_am_cool")
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self.runCmd("type summary add --summary-string \"${var.second_cool%S}\" i_am_cooler")
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self.expect("frame variable the_coolest_guy",
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substrs = ['(i_am_cooler) the_coolest_guy = goofy'])
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# check that unwanted type specifiers are removed
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self.runCmd("type summary delete i_am_cool")
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self.runCmd("type summary add --summary-string \"goofy\" \"class i_am_cool\"")
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self.expect("frame variable the_coolest_guy",
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substrs = ['(i_am_cooler) the_coolest_guy = goofy'])
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self.runCmd("type summary delete i_am_cool")
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self.runCmd("type summary add --summary-string \"goofy\" \"enum i_am_cool\"")
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self.expect("frame variable the_coolest_guy",
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substrs = ['(i_am_cooler) the_coolest_guy = goofy'])
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self.runCmd("type summary delete i_am_cool")
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self.runCmd("type summary add --summary-string \"goofy\" \"struct i_am_cool\"")
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self.expect("frame variable the_coolest_guy",
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substrs = ['(i_am_cooler) the_coolest_guy = goofy'])
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# many spaces, but we still do the right thing
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self.runCmd("type summary delete i_am_cool")
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self.runCmd("type summary add --summary-string \"goofy\" \"union i_am_cool\"")
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self.expect("frame variable the_coolest_guy",
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substrs = ['(i_am_cooler) the_coolest_guy = goofy'])
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# but that not *every* specifier is removed
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self.runCmd("type summary delete i_am_cool")
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self.runCmd("type summary add --summary-string \"goofy\" \"wrong i_am_cool\"")
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self.expect("frame variable the_coolest_guy", matching=False,
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substrs = ['(i_am_cooler) the_coolest_guy = goofy'])
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# check that formats are not sticking since that is the behavior we want
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self.expect("frame variable iAmInt --format hex", substrs = ['(int) iAmInt = 0x00000001'])
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self.expect("frame variable iAmInt", matching=False, substrs = ['(int) iAmInt = 0x00000001'])
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self.expect("frame variable iAmInt", substrs = ['(int) iAmInt = 1'])
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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