TestChar1632T.py
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# coding=utf8
"""
Test that the C++11 support for char16_t and char32_t works correctly.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import 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')]
@expectedFailureAll(
compiler="icc",
bugnumber="ICC (13.1) does not emit the DW_TAG_base_type for char16_t and char32_t.")
def test(self):
"""Test that the C++11 support for char16_t and char32_t works correctly."""
self.build()
exe = self.getBuildArtifact("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 = ',
'u"hello world ྒྙྐ"',
'(const char32_t *) cs32 = ',
'U"hello world ྒྙྐ"'])
# Check that we correctly report the non-const types
self.expect(
"frame variable s16 s32",
substrs=[
'(char16_t *) s16 = ',
'u"ﺸﺵۻ"',
'(char32_t *) s32 = ',
'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',
'"色ハ匂ヘト散リヌルヲ"',
'(char32_t *) s32 = ',
'"෴"'])
# 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_expr('cs16_zero', result_summary="U+0000 u'\\0'")
self.expect_expr('cs32_zero', result_summary="U+0x00000000 U'\\0'")
# Check that we can run expressions that return charN_t
self.expect_expr("u'a'", result_type="char16_t", result_summary="U+0061 u'a'")
self.expect_expr("U'a'", result_type="char32_t", result_summary="U+0x00000061 U'a'")