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Issue #8559: improve unicode support of (gdb) libpython.py

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* Escape non printable characters (use locale.getpreferredencoding())
 * Fix support of surrogate pairs
 * test_gdb.py: use ascii() instead of repr() in gdb program arguments to avoid
   encoding issues
 * Fix test_strings() of test_gdb.py for encoding different than UTF-8
   (eg. ACSII)
This commit is contained in:
Victor Stinner 2010-05-19 23:04:56 +00:00
parent 06710a8421
commit 150016fd24
2 changed files with 61 additions and 39 deletions
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25
Lib/test/test_gdb.py
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@ -8,6 +8,7 @@ import re
import subprocess
import sys
import unittest
import locale
from test.support import run_unittest, findfile
@ -177,7 +178,7 @@ class PrettyPrintTests(DebuggerTests):
def assertGdbRepr(self, val, exp_repr=None, cmds_after_breakpoint=None):
# Ensure that gdb's rendering of the value in a debugged process
# matches repr(value) in this process:
gdb_repr, gdb_output = self.get_gdb_repr('id(' + repr(val) + ')',
gdb_repr, gdb_output = self.get_gdb_repr('id(' + ascii(val) + ')',
cmds_after_breakpoint)
if not exp_repr:
exp_repr = repr(val)
@ -226,31 +227,35 @@ class PrettyPrintTests(DebuggerTests):
def test_strings(self):
'Verify the pretty-printing of unicode strings'
encoding = locale.getpreferredencoding()
def check_repr(text):
try:
text.encode(encoding)
printable = True
except UnicodeEncodeError:
self.assertGdbRepr(text, ascii(text))
else:
self.assertGdbRepr(text)
self.assertGdbRepr('')
self.assertGdbRepr('And now for something hopefully the same')
self.assertGdbRepr('string with embedded NUL here \0 and then some more text')
# Test printing a single character:
# U+2620 SKULL AND CROSSBONES
self.assertGdbRepr('\u2620')
check_repr('\u2620')
# Test printing a Japanese unicode string
# (I believe this reads "mojibake", using 3 characters from the CJK
# Unified Ideographs area, followed by U+3051 HIRAGANA LETTER KE)
self.assertGdbRepr('\u6587\u5b57\u5316\u3051')
check_repr('\u6587\u5b57\u5316\u3051')
# Test a character outside the BMP:
# U+1D121 MUSICAL SYMBOL C CLEF
# This is:
# UTF-8: 0xF0 0x9D 0x84 0xA1
# UTF-16: 0xD834 0xDD21
if sys.maxunicode == 0x10FFFF:
# wide unicode:
self.assertGdbRepr(chr(0x1D121))
else:
# narrow unicode:
self.assertGdbRepr(chr(0x1D121),
"'\\U0000d834\\U0000dd21'")
check_repr(chr(0x1D121))
def test_tuples(self):
'Verify the pretty-printing of tuples'