#!/usr/bin/env python # # ldns_buffer testing script. # # Do not use constructs that differ between Python 2 and 3. # Use write on stdout or stderr. # import ldns import sys import os import inspect class_name = "ldns_buffer" method_name = None error_detected = False def set_error(): """ Writes an error message and sets error flag. """ global class_name global method_name global error_detected error_detected = True sys.stderr.write("(line %d): malfunctioning method %s.\n" % \ (inspect.currentframe().f_back.f_lineno, method_name)) # Buffer creation. capacity = 1024 #if not error_detected: if True: method_name = "ldns_buffer.__init__()" try: buf = ldns.ldns_buffer(1024) except: set_error() #if not error_detected: if True: method_name = "ldns_buffer.__str__()" buf.printf("abcedf") try: string = buf.__str__() except: set_error() if not isinstance(string, str): # Should be string. set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.at()" try: ret = buf.at(512) except: set_error() try: # Must raise TypeError. ret = buf.at("") set_error() except TypeError: pass except: set_error() #if not error_detected: if True: method_name = "ldns_buffer.available()" try: ret = buf.available(capacity) except: set_error() if not isinstance(ret, bool): # Should be bool. set_error() if not buf.available(capacity): # Should return True. set_error() if buf.available(capacity + 1): # Should return False. set_error() try: # Must raise TypeError. ret = buf.available("") set_error() except TypeError: pass except: set_error() # try: # # Must raise ValueError. # ret = buf.available("") # set_error() # except ValueError: # pass # except: # set_error() #if not error_detected: if True: method_name = "ldns_buffer.available_at()" try: ret = buf.available_at(512, capacity - 512) except: set_error() if not isinstance(ret, bool): # Should be bool. set_error() if not buf.available_at(512, capacity - 512): # Should return True. set_error() if buf.available_at(512, capacity - 512 + 1): # Should return False. set_error() try: # Must raise TypeError. ret = buf.available_at("", 1) set_error() except TypeError: pass except: set_error() try: # Must raise TypeError. ret = buf.available_at(1, "") set_error() except TypeError: pass except: set_error() # try: # # Must raise ValueError. # ret = buf.available_at(-1, 512) # set_error() # except ValueError: # pass # except: # set_error() # try: # # Must raise ValueError. # ret = buf.available_at(512, -1) # set_error() # except ValueError: # pass # except: # set_error() #if not error_detected: if True: method_name = "ldns_buffer.begin()" try: ret = buf.begin() except: set_error() #if not error_detected: if True: method_name = "ldns_buffer.capacity()" try: ret = buf.capacity() except: set_error() if (not isinstance(ret, int)) and (not isinstance(ret, long)): # Should be int. set_error() #if not error_detected: if True: method_name = "ldns_buffer.clear()" try: buf.clear() except: set_error() #if not error_detected: if True: method_name = "ldns_buffer.copy()" sys.stderr.write("%s not tested.\n" % (method_name)) # buf2 = ldns.ldns_buffer(10) # buf2.printf("abcdef") # try: # buf.copy(buf2) # print buf.capacity() # print buf2.capacity() # except: # set_error() # buf.printf("2") # print buf #if not error_detected: if True: method_name = "ldns_buffer.current()" try: ret = buf.current() except: set_error() #if not error_detected: if True: method_name = "ldns_buffer.end()" try: ret = buf.end() except: set_error() #if not error_detected: if True: method_name = "ldns_buffer.export()" sys.stderr.write("%s not tested.\n" % (method_name)) #if not error_detected: if True: method_name = "ldns_buffer.flip()" buf.printf("abcdef") try: buf.flip() except: set_error() # if buf.remaining() != capacity: # # Should be at beginning. # set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.getc()" buf.printf("a") buf.rewind() try: ret = buf.getc() except: set_error() if ret != ord("a"): set_error() # Test return value for -1 buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.invariant()" try: buf.invariant() except: set_error() #if not error_detected: if True: method_name = "ldns_buffer.limit()" try: ret = buf.limit() except: set_error() if ret != capacity: set_error() #if not error_detected: if True: method_name = "ldns_buffer.position()" try: ret = buf.position() except: set_error() if (not isinstance(ret, int)) and (not isinstance(ret, long)): set_error() #if not error_detected: if True: method_name = "ldns_buffer.printf()" try: ret = buf.printf("abcdef") except: set_error() if not isinstance(ret, int): set_error() try: ret = buf.printf(10) set_error() except TypeError: pass except: set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.read()" sys.stderr.write("%s not tested.\n" % (method_name)) #if not error_detected: if True: method_name = "ldns_buffer.read_at()" sys.stderr.write("%s not tested.\n" % (method_name)) #if not error_detected: if True: method_name = "ldns_buffer.read_u16()" buf.printf("aac") buf.rewind() try: ret = buf.read_u16() except: set_error() if (not isinstance(ret, int)) and (not isinstance(ret, long)): set_error() if ret != (ord("a") * 0x0101): set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.read_u16_at()" buf.printf("abbc") try: ret = buf.read_u16_at(1) except: set_error() if (not isinstance(ret, int)) and (not isinstance(ret, long)): set_error() if ret != (ord("b") * 0x0101): set_error() try: ret = buf.read_u16_at("") set_error() except TypeError: pass except: set_error() # try: # ret = buf.read_u16_at(-1) # set_error() # except ValueError: # pass # except: # set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.read_u32()" buf.printf("aaaac") buf.rewind() try: ret = buf.read_u32() except: set_error() if not isinstance(ret, int): set_error() if ret != (ord("a") * 0x01010101): set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.read_u32_at()" buf.printf("abbbbc") try: ret = buf.read_u32_at(1) except: set_error() if not isinstance(ret, int): set_error() if ret != (ord("b") * 0x01010101): set_error() try: ret = buf.read_u32_at("") set_error() except TypeError: pass except: set_error() # try: # ret = buf.read_u32_at(-1) # set_error() # except ValueError: # pass # except: # set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.read_u8()" buf.printf("ac") buf.rewind() try: ret = buf.read_u8() except: set_error() if (not isinstance(ret, int)) and (not isinstance(ret, long)): set_error() if ret != ord("a"): set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.read_u8_at()" buf.printf("abc") try: ret = buf.read_u8_at(1) except: set_error() if (not isinstance(ret, int)) and (not isinstance(ret, long)): set_error() if ret != ord("b"): set_error() try: ret = buf.read_u8_at("") set_error() except TypeError: pass except: set_error() # try: # ret = buf.read_u8_at(-1) # set_error() # except ValueError: # pass # except: # set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.remaining()" buf.printf("abcdef") try: ret = buf.remaining() except: set_error() if (not isinstance(ret, int)) and (not isinstance(ret, long)): set_error() if ret != (capacity - 6): set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.remaining_at()" buf.printf("abcdef") try: ret = buf.remaining_at(1) except: set_error() if (not isinstance(ret, int)) and (not isinstance(ret, long)): set_error() if ret != (capacity - 1): set_error() try: ret = buf.remaining_at("") set_error() except TypeError: pass except: set_error() # try: # ret = buf.remaining_at(-1) # set_error() # except ValueError: # pass # except: # set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.reserve()" buf2 = ldns.ldns_buffer(512) try: ret = buf2.reserve(1024) except: set_error() if not isinstance(ret, bool): set_error() try: ret = buf2.reserve("") set_error() except TypeError: pass except: set_error() # try: # ret = buf2.reserve(-1) # set_error() # except ValueError: # pass # except: # set_error() #if not error_detected: if True: method_name = "ldns_buffer.rewind()" buf.printf("abcdef") try: buf.rewind() except: set_error() if buf.position() != 0: set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.set_capacity()" try: ret = buf.set_capacity(capacity) except: set_error() if not isinstance(ret, bool): set_error() try: ret = buf.set_capacity("") set_error() except TypeError: pass except: set_error() # try: # ret = buf.set_capacity(-1) # set_error() # except ValueError: # pass # except: # set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.set_limit()" try: buf.set_limit(0) except: set_error() try: buf.set_limit("") set_error() except TypeError: pass except: set_error() # try: # buf.set_limit(-1) # set_error() # except ValueError: # pass # except: # set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.set_position()" try: buf.set_position(0) except: set_error() try: buf.set_position("") except TypeError: pass except: set_error() # try: # buf.set_position(-1) # except ValueError: # pass # except: # set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.skip()" try: buf.skip(10) except: set_error() try: buf.skip(-1) except: set_error() try: buf.skip("") set_error() except TypeError: pass except: set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.status()" try: ret = buf.status() except: set_error() # Returned status is an integer. if not isinstance(ret, int): set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.status_ok()" try: ret = buf.status_ok() except: set_error() if not isinstance(ret, bool): set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.write()" sys.stderr.write("%s not tested.\n" % (method_name)) #if not error_detected: if True: method_name = "ldns_buffer.write_at()" sys.stderr.write("%s not tested.\n" % (method_name)) #if not error_detected: if True: method_name = "ldns_buffer.write_string()" try: buf.write_string("abcdef") except: set_error() # try: # buf.write_sring(-1) # set_error() # except TypeError: # pass # except: # set_error() sys.stderr.write("%s not tested for parameter correctness.\n" % \ (method_name)) buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.write_string_at()" sys.stderr.write("%s not tested.\n" % (method_name)) #if not error_detected: if True: method_name = "ldns_buffer.write_u16()" try: buf.write_u16(ord("b") * 0x0101) except: set_error() try: buf.write_u16("") set_error() except TypeError: pass except: set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.write_u16_at()" buf.printf("a") try: buf.write_u16_at(1, ord("b") * 0x0101) except: set_error() try: buf.write_u16_at("", ord("b") * 0x0101) set_error() except TypeError: pass except: set_error() # try: # buf.write_u16_at(-1, ord("b") * 0x0101) # set_error() # except ValueError: # pass # except: # set_error() try: buf.write_u16_at(1, "") set_error() except TypeError: pass except: set_error() #if not error_detected: if True: method_name = "ldns_buffer.write_u32()" try: buf.write_u32(ord("b") * 0x01010101) except: set_error() try: buf.write_u32("") set_error() except TypeError: pass except: set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.write_u32_at()" buf.printf("a") try: buf.write_u32_at(1, ord("b") * 0x01010101) except: set_error() try: buf.write_u32_at("", ord("b") * 0x01010101) set_error() except TypeError: pass except: set_error() # try: # buf.write_u32_at(-1, ord("b") * 0x01010101) # set_error() # except ValueError: # pass # except: # set_error() try: buf.write_u32_at(1, "") set_error() except TypeError: pass except: set_error() #if not error_detected: if True: method_name = "ldns_buffer.write_u8()" try: buf.write_u8(ord("b")) except: set_error() try: buf.write_u8("") set_error() except TypeError: pass except: set_error() buf.clear() #if not error_detected: if True: method_name = "ldns_buffer.write_u8_at()" buf.printf("a") try: buf.write_u8_at(1, ord("b")) except: set_error() try: buf.write_u8_at("", ord("b")) set_error() except TypeError: pass except: set_error() # try: # buf.write_u8_at(-1, ord("b")) # set_error() # except ValueError: # pass # except: # set_error() try: buf.write_u8_at(1, "") set_error() except TypeError: pass except: set_error() if not error_detected: sys.stdout.write("%s: passed.\n" % (os.path.basename(__file__))) else: sys.stdout.write("%s: errors detected.\n" % (os.path.basename(__file__))) sys.exit(1)