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generate-test-data.py
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			#!/usr/bin/env python

			import re
			import json

			# https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
			# http://stackoverflow.com/a/13436167/96656
			def unisymbol(codePoint):
			if codePoint >= 0x0000 and codePoint <= 0xFFFF:
			return unichr(codePoint)
			elif codePoint >= 0x010000 and codePoint <= 0x10FFFF:
			highSurrogate = int((codePoint - 0x10000) / 0x400) + 0xD800
			lowSurrogate = int((codePoint - 0x10000) % 0x400) + 0xDC00
			return unichr(highSurrogate) + unichr(lowSurrogate)
			else:
			return 'Error'

			def hexify(codePoint):
			return 'U+' + hex(codePoint)[2:].upper().zfill(6)

			def writeFile(filename, contents):
			print filename
			with open(filename, 'w') as f:
			f.write(contents.strip() + '\n')

			data = []
			for codePoint in range(0x000000, 0x10FFFF + 1):
			# Skip non-scalar values.
			if codePoint >= 0xD800 and codePoint <= 0xDFFF:
			continue
			symbol = unisymbol(codePoint)
			# http://stackoverflow.com/a/17199950/96656
			bytes = symbol.encode('utf8').decode('latin1')
			data.append({
			'codePoint': codePoint,
			'decoded': symbol,
			'encoded': bytes
			});

			jsonData = json.dumps(data, sort_keys=False, indent=2, separators=(',', ': '))
			# Use tabs instead of double spaces for indentation
			jsonData = jsonData.replace(' ', '\t')
			# Escape hexadecimal digits in escape sequences
			jsonData = re.sub(
			r'\\u([a-fA-F0-9]{4})',
			lambda match: r'\u{}'.format(match.group(1).upper()),
			jsonData
			)

			writeFile('data.json', jsonData)