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tests: Add tests to exercise lexer; and some more complex number tests.
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6 files changed

+121
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‎tests/basics/bytes.py‎

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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,12 @@
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# literals
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print(b'123')
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print(br'123')
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print(rb'123')
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print(b'\u1234')
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# construction
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print(bytes())
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print(bytes(b'abc'))
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a = b"123"
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print(a)

‎tests/basics/lexer.py‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
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# test the lexer
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# __debug__ is a special symbol
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print(type(__debug__))
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# short input
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exec("")
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exec("\n")
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exec("\n\n")
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exec("\r")
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exec("\r\r")
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print(eval("1"))
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print(eval("12"))
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print(eval("123"))
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print(eval("1\n"))
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print(eval("12\n"))
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print(eval("123\n"))
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print(eval("1\r"))
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print(eval("12\r"))
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print(eval("123\r"))
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# lots of indentation
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def a(x):
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if x:
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if x:
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if x:
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if x:
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if x:
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if x:
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if x:
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if x:
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if x:
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if x:
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if x:
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if x:
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if x:
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if x:
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if x:
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print(x)
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a(1)

‎tests/basics/string1.py‎

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Original file line numberDiff line numberDiff line change
@@ -1,17 +1,27 @@
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# basic strings
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# literals
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print('abc')
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print(r'abc')
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print(u'abc')
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print(repr('\a\b\t\n\v\f\r'))
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print('\z') # unrecognised escape char
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# construction
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print(str())
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print(str('abc'))
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# inplace addition
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x = 'abc'
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print(x)
7-
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x += 'def'
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print(x)
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# binary ops
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print('123' + "456")
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print('123' * 5)
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# subscription
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print('abc'[1])
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print('abc'[-1])
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try:

‎tests/basics/syntaxerror.py‎

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Original file line numberDiff line numberDiff line change
@@ -4,9 +4,28 @@ def test_syntax(code):
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try:
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exec(code)
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print("no SyntaxError")
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except IndentationError:
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print("IndentationError")
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except SyntaxError:
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print("SyntaxError")
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# non-newline after line-continuation character (lexer error)
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test_syntax("a \\a\n")
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# dedent mismatch (lexer error)
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test_syntax("def f():\n a\n a\n")
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# unclosed string (lexer error)
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test_syntax("'abc")
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# invalid (lexer error)
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test_syntax("!")
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test_syntax("$")
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test_syntax("`")
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# bad indentation (lexer error)
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test_syntax(" a\n")
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# can't assign to literals
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test_syntax("1 = 2")
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test_syntax("'' = 1")

‎tests/float/complex1.py‎

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Original file line numberDiff line numberDiff line change
@@ -25,10 +25,17 @@
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print(1j * 2)
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print(1j * 2j)
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print(1j / 2)
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print((1j / 2j).real)
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print(1j / (1 + 2j))
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ans = 0j ** 0; print("%.5g %.5g" % (ans.real, ans.imag))
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ans = 0j ** 0j; print("%.5g %.5g" % (ans.real, ans.imag))
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ans = 1j ** 2.5; print("%.5g %.5g" % (ans.real, ans.imag))
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ans = 1j ** 2.5j; print("%.5g %.5g" % (ans.real, ans.imag))
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# comparison
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print(1j == 1)
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print(1j == 1j)
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# builtin abs
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print(abs(1j))
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print("%.5g" % abs(1j + 2))
@@ -44,3 +51,33 @@
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1j + []
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except TypeError:
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print("TypeError")
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# unsupported unary op
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try:
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~(1j)
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except TypeError:
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print("TypeError")
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# unsupported binary op
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try:
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1j // 2
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except TypeError:
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print("TypeError")
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# unsupported binary op
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try:
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1j < 2j
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except TypeError:
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print("TypeError")
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# zero division
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try:
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1j / 0
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except ZeroDivisionError:
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print("ZeroDivisionError")
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# zero division via power
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try:
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0j ** 1j
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except ZeroDivisionError:
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print("ZeroDivisionError")

‎tests/float/float1.py‎

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Original file line numberDiff line numberDiff line change
@@ -1,5 +1,10 @@
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# test basic float capabilities
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# literals
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print(.12)
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print(1.)
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print(1.2)
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# float construction
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print(float(1.2))
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