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Add tests to test compiler and emitted byte code.
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‎tests/bytecode/.gitignore‎

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output

‎tests/bytecode/README.md‎

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This directory contains the framework and test files for testing the byte code
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output of the Micro Python compiler.
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You need to first build the 'cpy' executable in the directory micropython/unix-cpy/.
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This executable is a minimal version of Micro Python which compiles a single source
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file and outputs the corresponding byte code.
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The output of Micro Python is checked against CPython 3.3.
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To run the tests use:
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./run-tests

‎tests/bytecode/check.py‎

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import sys
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name = sys.argv[1].split('/')[-1].split('.')[0]
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with open(sys.argv[1]) as f:
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lines_correct = [l.strip('\n') for l in f.readlines()]
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lines_me = [l.strip('\n') for l in sys.stdin.readlines()]
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if len(lines_me) != len(lines_correct):
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if len(lines_me) == 0:
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print('{:<20}: no output'.format(name))
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elif lines_me[0].find('syntax error') >= 0:
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print('{:<20}: syntax error'.format(name))
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elif lines_me[0].find(' cannot be compiled') >= 0:
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print('{:<20}: compile error: {}'.format(name, lines_me[0]))
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else:
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print('{:<20}: mismatch in number of lines'.format(name))
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else:
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total = len(lines_me)
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same = 0
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bad_num_fields = 0
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bad_2 = 0
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bad_3 = 0
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jump_op = ['JUMP_FORWARD', 'JUMP_ABSOLUTE', 'POP_JUMP_IF_FALSE', 'POP_JUMP_IF_TRUE', 'SETUP_LOOP']
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jump_abs_op = ['JUMP_FORWARD', 'JUMP_ABSOLUTE']
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for i in range(total):
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if lines_me[i] == lines_correct[i]:
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same += 1
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else:
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# line is different
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line_me = lines_me[i].strip().split(' ', 2)
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line_correct = lines_correct[i].strip().split(' ', 2)
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allow = False
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if len(line_me) != len(line_correct):
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bad_num_fields += 1
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elif len(line_me) == 2:
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if line_me[0] == line_correct[0] == 'stacksize':
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allow = True
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else:
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bad_2 += 1
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else:
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assert(len(line_me) == 3)
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if line_me[0] == line_correct[0] and line_me[1] in jump_abs_op and line_correct[1] in jump_abs_op:
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allow = True
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elif line_me[0] == line_correct[0] and line_me[1] == line_correct[1] in jump_op:
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allow = True
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else:
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bad_3 += 1
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#if not allow:
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# print(line_me, 'vs', line_correct)
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bad_str = ''
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if bad_num_fields > 0:
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bad_str += ', {} bad num fields'.format(bad_num_fields)
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if bad_2 > 0:
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bad_str += ', {} bad 2-field'.format(bad_2)
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if bad_3 > 0:
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bad_str += ', {} bad 3-field'.format(bad_3)
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print('{:<20}: {:>6} lines, {:>5.1f}% correct{}'.format(name, total, 100 * same / total, bad_str))

‎tests/bytecode/mp-tests/assert1.py‎

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assert x
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assert x, 'test'

‎tests/bytecode/mp-tests/assign1.py‎

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[] = ()
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[] = []
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a = b
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(a) = b
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a, b = c, d
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a, b, c = d, e, f
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a, b, c, d = e, f, g, h
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#(a, b) = c, d
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#a, b = (c, d)
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#(a, b) = (c, d)

‎tests/bytecode/mp-tests/assign2.py‎

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*a, = b
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a, *b = c
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a, *b, = c
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a, *b, c = d
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[*a] = b
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[*a,] = b
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[a, *b] = c
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#[a, *b,] = c
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#[a, *b, c] = d

‎tests/bytecode/mp-tests/augassign1.py‎

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[] = ()
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x += 1
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x.y += 1
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x.f().y += 1
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x[1] += 2

‎tests/bytecode/mp-tests/call1.py‎

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f(a, b=c)

‎tests/bytecode/mp-tests/class1.py‎

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class C:
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pass
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C()

‎tests/bytecode/mp-tests/class2.py‎

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class A:
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x = 1
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y = x + z
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A()

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