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# coding=utf8
"""
Test that the C++11 support for char16_t and char32_t works correctly.
"""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class Char1632TestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break for main.cpp.
self.source = 'main.cpp'
self.lines = [ line_number(self.source, '// breakpoint1'),
line_number(self.source, '// breakpoint2') ]
@expectedFailureIcc # ICC (13.1) does not emit the DW_TAG_base_type for char16_t and char32_t.
@expectedFailureWindows("llvm.org/pr24489: Name lookup not working correctly on Windows")
def test(self):
"""Test that the C++11 support for char16_t and char32_t works correctly."""
self.build()
exe = os.path.join(os.getcwd(), "a.out")
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Set breakpoints
for line in self.lines:
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", line)
# Now launch the process, and do not stop at entry point and stop at breakpoint1
process = target.LaunchSimple (None, None, self.get_process_working_directory())
if not process:
self.fail("SBTarget.Launch() failed")
if self.TraceOn():
self.runCmd("frame variable")
# Check that we correctly report the const types
self.expect("frame variable cs16 cs32",
substrs = ['(const char16_t *) cs16 = ','(const char32_t *) cs32 = ','u"hello world ྒྙྐ"','U"hello world ྒྙྐ"'])
# Check that we correctly report the non-const types
self.expect("frame variable s16 s32",
substrs = ['(char16_t *) s16 = ','(char32_t *) s32 = ','u"ﺸﺵۻ"','U"ЕЙРГЖО"'])
# Check that we correctly report the array types
self.expect("frame variable as16 as32",
patterns = ['\(char16_t \[[0-9]+\]\) as16 = ', '\(char32_t \[[0-9]+\]\) as32 = '],
substrs = ['u"ﺸﺵۻ"','U"ЕЙРГЖО"'])
self.runCmd("next") # step to after the string is nullified
# check that we don't crash on NULL
self.expect("frame variable s32",
substrs = ['(char32_t *) s32 = 0x00000000'])
# continue and hit breakpoint2
self.runCmd("continue")
# check that the new strings show
self.expect("frame variable s16 s32",
substrs = ['(char16_t *) s16 = 0x','(char32_t *) s32 = ','"色ハ匂ヘト散リヌルヲ"','"෴"'])
# check the same as above for arrays
self.expect("frame variable as16 as32",
patterns = ['\(char16_t \[[0-9]+\]\) as16 = ', '\(char32_t \[[0-9]+\]\) as32 = '],
substrs = ['"色ハ匂ヘト散リヌルヲ"','"෴"'])
# check that zero values are properly handles
self.expect('frame variable cs16_zero', substrs=["U+0000 u'\\0'"])
self.expect('frame variable cs32_zero', substrs=["U+0x00000000 U'\\0'"])
self.expect('expression cs16_zero', substrs=["U+0000 u'\\0'"])
self.expect('expression cs32_zero', substrs=["U+0x00000000 U'\\0'"])
# Check that we can run expressions that return charN_t
self.expect("expression u'a'",substrs = ['(char16_t) $',"61 u'a'"])
self.expect("expression U'a'",substrs = ['(char32_t) $',"61 U'a'"])
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