tests: Add tests for SyntaxError, TypeError, and other missing things.

This is intended to improve coverage of the test suite.

tests/basics/array1.py

@@ -11,3 +11,12 @@ print(i[-1])
 print(len(array.array('h')))
 print(array.array('i'))
 
+# bool operator acting on arrays
+print(bool(array.array('i')))
+print(bool(array.array('i', [1])))
+
+# bad typecode
+try:
+    array.array('X')
+except ValueError:
+    print("ValueError")

tests/basics/array_construct.py

@@ -14,3 +14,6 @@ print(array('i', bytearray(4)))
 # convert from other arrays
 print(array('H', array('b', [1, 2])))
 print(array('b', array('I', [1, 2])))
+
+# construct from something with unknown length
+print(array('i', (i for i in range(10))))

tests/basics/bool1.py

@@ -0,0 +1,11 @@
+# tests for bool objects
+
+# basic logic
+print(not False)
+print(not True)
+print(False and True)
+print(False or True)
+
+# unary operators
+print(+True)
+print(-True)

tests/basics/bytearray_slice_assign.py

@@ -41,3 +41,8 @@ print(l)
 l = bytearray(x)
 #del l[:-3]
 print(l)
+
+# slice assignment that extends the array
+b = bytearray(2)
+b[2:] = bytearray(10)
+print(b)

tests/basics/closure_manyvars.py

@@ -0,0 +1,9 @@
+# test closure with lots of closed over variables
+
+def f():
+    a, b, c, d, e, f, g, h = [i for i in range(8)]
+    def x():
+        print(a, b, c, d, e, f, g, h)
+    x()
+
+f()

tests/basics/fun_str.py

@@ -0,0 +1,5 @@
+# test str of function
+
+def f():
+    pass
+print(str(f)[:8])

tests/basics/int1.py

@@ -81,3 +81,9 @@ test('1 1', 16)
 
 # check that we don't parse this as a floating point number
 print(0x1e+1)
+
+# can't convert list to int
+try:
+    int([])
+except TypeError:
+    print("TypeError")

tests/basics/int2.py

@@ -0,0 +1,7 @@
+# test basic int operations
+
+# test conversion of bool on RHS of binary op
+a = False
+print(1 + a)
+a = True
+print(1 + a)

tests/basics/list_index.py

@@ -32,3 +32,6 @@ except ValueError:
     print("Raised ValueError")
 else:
     print("Did not raise ValueError")
+
+# 3rd argument to index greater than length of list
+print([1, 2].index(1, 0, 4))

tests/basics/memoryview1.py

@@ -25,6 +25,10 @@ m = memoryview(b'1234')
 print(list(m[1:]))
 print(list(m[1:-1]))
 
+# this tests get_buffer of memoryview
+m = memoryview(bytearray(2))
+print(bytearray(m))
+
 import array
 a = array.array('i', [1, 2, 3, 4])
 m = memoryview(a)

tests/basics/op_error.py

@@ -0,0 +1,43 @@
+# test errors from bad operations (unary, binary, etc)
+
+def test_exc(code, exc):
+    try:
+        exec(code)
+        print("no exception")
+    except exc:
+        print("right exception")
+    except:
+        print("wrong exception")
+
+# unsupported unary operators
+test_exc("~None", TypeError)
+test_exc("~[]", TypeError)
+test_exc("~bytearray()", TypeError)
+
+# unsupported binary operators
+test_exc("False in True", TypeError)
+test_exc("1 * {}", TypeError)
+test_exc("1 in 1", TypeError)
+test_exc("bytearray() // 2", TypeError)
+test_exc("m = memoryview(bytearray())\nm += bytearray()", TypeError)
+
+# object with buffer protocol needed on rhs
+test_exc("bytearray(1) + 1", TypeError)
+test_exc("(1 << 70) in 1", TypeError)
+
+# unsupported subscription
+test_exc("1[0]", TypeError)
+test_exc("1[0] = 1", TypeError)
+test_exc("del 1[0]", TypeError)
+
+# not callable
+test_exc("1()", TypeError)
+
+# not an iterator
+test_exc("next(1)", TypeError)
+
+# must be an exception type
+test_exc("raise 1", TypeError)
+
+# no such name in import
+test_exc("from sys import youcannotimportmebecauseidontexist", ImportError)

tests/basics/syntaxerror.py

@@ -0,0 +1,89 @@
+# test syntax errors
+
+def test_syntax(code):
+    try:
+        exec(code)
+        print("no SyntaxError")
+    except SyntaxError:
+        print("SyntaxError")
+
+# can't assign to literals
+test_syntax("1 = 2")
+test_syntax("'' = 1")
+test_syntax("{} = 1")
+
+# can't assign to comprehension
+test_syntax("(i for i in a) = 1")
+
+# can't assign to function
+test_syntax("f() = 1")
+
+# can't assign to power
+test_syntax("f**2 = 1")
+
+# can't assign to power of composite
+test_syntax("f[0]**2 = 1")
+
+# can't assign to empty tuple
+test_syntax("() = 1")
+
+# can't have multiple *x on LHS
+test_syntax("*a, *b = c")
+
+# can't do augmented assignment to tuple
+test_syntax("a, b += c")
+test_syntax("(a, b) += c")
+
+# can't do augmented assignment to list
+test_syntax("[a, b] += c")
+
+# non-default argument can't follow default argument
+test_syntax("def f(a=1, b): pass")
+
+# can't delete these things
+test_syntax("del ()")
+test_syntax("del f()")
+test_syntax("del f[0]**2")
+test_syntax("del (a for a in a)")
+
+# must be in a "loop"
+test_syntax("break")
+test_syntax("continue")
+
+# must be in a function
+test_syntax("return")
+test_syntax("yield")
+test_syntax("nonlocal a")
+
+# errors on uPy but shouldn't
+#test_syntax("global a; global a")
+#test_syntax("def f():\n a = 1\n global a")
+
+# default except must be last
+test_syntax("try:\n a\nexcept:\n pass\nexcept:\n pass")
+
+# can't have multiple * or **
+test_syntax("f(*a, *b)")
+test_syntax("f(**a, **b)")
+
+# LHS of keywords must be id's
+test_syntax("f(1=2)")
+
+# non-keyword after keyword
+test_syntax("f(a=1, 2)")
+
+# doesn't error on uPy but should
+#test_syntax("f(1, i for i in i)")
+
+# all elements of dict/set must be pairs or singles
+test_syntax("{1:2, 3}")
+test_syntax("{1, 2:3}")
+
+# can't mix non-bytes with bytes when concatenating
+test_syntax("'abc' b'def'")
+
+# can't reuse same name for argument
+test_syntax("def f(a, a): pass")
+
+# nonlocal must exist in outer function/class scope
+test_syntax("def f():\n def g():\n  nonlocal a")

tests/basics/try_error.py

@@ -0,0 +1,17 @@
+# test bad exception match
+
+try:
+    try:
+        a
+    except 1:
+        pass
+except TypeError:
+    print("TypeError")
+
+try:
+    try:
+        a
+    except (1,):
+        pass
+except TypeError:
+    print("TypeError")

tests/float/complex1.py

@@ -16,6 +16,8 @@ print(+(1j))
 print(-(1 + 2j))
 
 # binary ops
+print(1j + False)
+print(1j + True)
 print(1j + 2)
 print(1j + 2j)
 print(1j - 2)
@@ -30,3 +32,12 @@ ans = 1j ** 2.5j; print("%.5g %.5g" % (ans.real, ans.imag))
 # builtin abs
 print(abs(1j))
 print("%.5g" % abs(1j + 2))
+
+# convert bignum to complex on rhs
+ans = 1j + (1 << 70); print("%.5g %.5g" % (ans.real, ans.imag))
+
+# can't convert rhs to complex
+try:
+    1j + []
+except TypeError:
+    print("TypeError")

tests/float/float1.py

@@ -20,6 +20,12 @@ try:
 except ZeroDivisionError:
     print("ZeroDivisionError")
 
+# can't convert list to float
+try:
+    float([])
+except TypeError:
+    print("TypeError")
+
 # test constant float with more than 255 chars
 x = 1.84728699436059052516398251149631771898472869943605905251639825114963177189847286994360590525163982511496317718984728699436059052516398251149631771898472869943605905251639825114963177189847286994360590525163982511496317718984728699436059052516398251149631771898472869943605905251639825114963177189
 print("%.5f" % x)

tests/float/int_big_float.py

@@ -2,6 +2,9 @@
 
 i = 1 << 65
 
+# convert bignum to float on rhs
+print("%.5g" % (2.0 * i))
+
 # this should convert to float
 print("%.5g" % (i / 5))
 

tests/micropython/const_error.py

@@ -1,6 +1,13 @@
-# make sure syntax error works corrects for bad const definition
+# make sure syntax error works correctly for bad const definition
 
-try:
-    exec("a = const(x)")
-except SyntaxError:
+def test_syntax(code):
+    try:
+        exec(code)
+    except SyntaxError:
         print("SyntaxError")
+
+# argument not a constant
+test_syntax("a = const(x)")
+
+# redefined constant
+test_syntax("A = const(1); A = const(2)")

tests/micropython/const_error.py.exp

@@ -1 +1,2 @@
 SyntaxError
+SyntaxError

tests/micropython/decorator_error.py

@@ -0,0 +1,11 @@
+# test syntax errors for uPy-specific decorators
+
+def test_syntax(code):
+    try:
+        exec(code)
+    except SyntaxError:
+        print("SyntaxError")
+
+# invalid micropython decorators
+test_syntax("@micropython.a\ndef f(): pass")
+test_syntax("@micropython.a.b\ndef f(): pass")

tests/micropython/decorator_error.py.exp

@@ -0,0 +1,2 @@
+SyntaxError
+SyntaxError

tests/micropython/native_misc.py

@@ -1,10 +1,31 @@
+# tests for natively compiled functions
+
+# basic test
 @micropython.native
 def native_test(x):
     print(1, [], x)
-
 native_test(2)
 
 # check that GC doesn't collect the native function
 import gc
 gc.collect()
 native_test(3)
+
+# native with 2 args
+@micropython.native
+def f(a, b):
+    print(a + b)
+f(1, 2)
+
+# native with 3 args
+@micropython.native
+def f(a, b, c):
+    print(a + b + c)
+f(1, 2, 3)
+
+# check not operator
+@micropython.native
+def f(a):
+    print(not a)
+f(False)
+f(True)

tests/micropython/native_misc.py.exp

@@ -1,2 +1,6 @@
 1 [] 2
 1 [] 3
+3
+6
+True
+False

tests/micropython/viper_error.py

@@ -0,0 +1,11 @@
+# test syntax errors specific to viper code generation
+
+def test_syntax(code):
+    try:
+        exec(code)
+    except SyntaxError:
+        print("SyntaxError")
+
+# viper: annotations must be identifiers
+test_syntax("@micropython.viper\ndef f(a:1): pass")
+test_syntax("@micropython.viper\ndef f() -> 1: pass")

tests/micropython/viper_error.py.exp

@@ -0,0 +1,2 @@
+SyntaxError
+SyntaxError