def test_rvalue_and_expr(self):
expr = 'a + a- b ' \
'and;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
def test_unary_operators(self):
expr = ' -;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = 'not;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = '+;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = 'not ();'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = '(- );'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
def test_def_params_no_comma(self):
fun_def = 'fun some_function (a b);'
should_fail(self, fun_def,
ErrorCode.UNEXPECTED_TOKEN, TokenType.RPAREN)
fun_def = 'fun some_function (a + b);'
should_fail(self, fun_def,
ErrorCode.UNEXPECTED_TOKEN, TokenType.RPAREN)
def test_loop_no_statement(self):
# actually pretty interesting
# breaks here V
loop = 'do while (1>0); '
should_fail(self, loop, ErrorCode.UNEXPECTED_TOKEN, TokenType.WHILE)
loop = 'do fun function(a, b);'
should_fail(self, loop, ErrorCode.EXPECTED_NOT_NONE)
def test_empty_condition(self):
s = 'if ();'
should_fail(self, s, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.EMPTY_IF_CONDITION)
s = 'if ((((()))));'
should_fail(self, s, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.EMPTY_IF_CONDITION)
def test_no_statement(self):
s = 'if (c) else ;'
should_fail(self, s, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.EMPTY_IF_BODY)
s = 'if (c) expr; else'
should_fail(self, s, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.EMPTY_ELSE_BODY)
def test_loop_no_statement(self):
loop = 'while (1>0)'
should_fail(self, loop, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.EMPTY_WHILE_BODY)
loop = 'while (1>0){}'
should_fail(self, loop, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.EMPTY_COMPOUND_STATEMENT)
def test_def_without_parentheses(self):
fun_def = 'fun some_function 1+2;'
should_fail(self, fun_def,
ErrorCode.UNEXPECTED_TOKEN, TokenType.LPAREN)
fun_def = 'fun some_function (a, b;'
should_fail(self, fun_def,
ErrorCode.UNEXPECTED_TOKEN, TokenType.RPAREN)
def test_rvalue_eq_expr(self):
expr = '-5 == 2;' \
'3 ==;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = 'b != a;' \
'b != ;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
def test_colon_index(self):
s = 'm[:,];'
should_fail(self, s, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.NO_INDEX)
s = 'm[::];'
should_fail(self, s, ErrorCode.UNEXPECTED_TOKEN, TokenType.RBRACK)
s = 'm[:,a+:];'
should_fail(self, s, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.NO_RVALUE)
s = 'm[:,:+a];'
should_fail(self, s, ErrorCode.UNEXPECTED_TOKEN, TokenType.RBRACK)
def test_nested_matrices(self):
m = '[[[[]]]'
should_fail(self, m, ErrorCode.UNEXPECTED_TOKEN, TokenType.RBRACK)
m = '[' \
'[], [], [];' \
'];'
should_fail(self, m,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.EMPTY_MTRX_ROW)
m = '[' \
'[], [], [];' \
'[], [],' \
'];'
should_fail(self, m,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_ITEM)
m = '[' \
'[], [], [];' \
'[], []' \
'];'
should_fail(self, m, ErrorCode.MTRX_ROW_LEN_MISMATCH)
# maybe error is not so obvious
# test for row length is executed
# within matrix object creation
m = '[' \
'[a], [a], [a];' \
'[a], []a, [a];' \
'[a], [a], [a]' \
'];'
should_fail(self, m, ErrorCode.MTRX_ROW_LEN_MISMATCH)
def test_nested_matrices_without_semi(self):
m = '[[[[]]]]'
should_fail(self, m, ErrorCode.UNEXPECTED_TOKEN, TokenType.SEMI)
m = '[[[]]]]'
should_fail(self, m, ErrorCode.UNEXPECTED_TOKEN, TokenType.SEMI)
m = '[' \
'[], [], []' \
']'
should_fail(self, m, ErrorCode.UNEXPECTED_TOKEN, TokenType.SEMI)
def test_one_row(self):
m = '[a, ]'
should_fail(self, m,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_ITEM)
m = '[a, b, '
should_fail(self, m,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_ITEM)
m = '[, b, '
should_fail(self, m, ErrorCode.UNEXPECTED_TOKEN, TokenType.RBRACK)
m = '[a, b, c]'
should_fail(self, m, ErrorCode.UNEXPECTED_TOKEN, TokenType.SEMI)
def test_def_no_parameters_but_comma(self):
fun_def = 'fun some_function(a, );'
should_fail(self, fun_def,
ErrorCode.UNEXPECTED_TOKEN, TokenType.ID)
fun_def = 'fun some_function(a, b, );'
should_fail(self, fun_def,
ErrorCode.UNEXPECTED_TOKEN, TokenType.ID)
fun_def = 'fun some_function(, );'
should_fail(self, fun_def,
ErrorCode.UNEXPECTED_TOKEN, TokenType.ID)
def test_loop_empty_condition(self):
loop = 'while () 1+2;'
should_fail(self, loop, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.EMPTY_WHILE_CONDITION)
loop = 'while (()) 1+2;'
should_fail(self, loop, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.EMPTY_WHILE_CONDITION)
loop = 'while ((())) 1+2;'
should_fail(self, loop, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.EMPTY_WHILE_CONDITION)
def test_rvalue_relativ_expr(self):
expr = '-4 <;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = 'a >=;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = 'c <=;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = 'a >;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
def test_rvalue_term(self):
expr = 'a * b *;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = 'a - b div 5; b div;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = '80 mod b; 6 mod;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = 'b / a / b / a / b /;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
def test_def_no_statement(self):
fun_def = 'fun some_function()'
should_fail(self, fun_def,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.EMPTY_FUN_BODY)
fun_def = 'fun some_function(){}'
should_fail(self, fun_def,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.EMPTY_COMPOUND_STATEMENT)
fun_def = 'fun some_function(){{;}{}}'
should_fail(self, fun_def,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.EMPTY_COMPOUND_STATEMENT)
def test_rvalue_aexpr(self):
expr = '-3 + 3 + +;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = '- a -;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
expr = '-;'
should_fail(self, expr,
ErrorCode.EXPECTED_NOT_NONE,
None,
ErrorDescription.NO_RVALUE)
def test_multiple_indices(self):
s = 'm[a, b, c]'
# expected two indices, got 3
should_fail(self, s, ErrorCode.UNEXPECTED_TOKEN, TokenType.RBRACK)
def test_rbrack_missing(self):
m = '['
should_fail(self, m, ErrorCode.UNEXPECTED_TOKEN, TokenType.RBRACK)
def test_no_second_arg(self):
f = 'a(a, );'
should_fail(self, f, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.NO_ARGUMENT)
def test_loop_no_semi_at_end(self):
loop = 'do ; while (1)'
should_fail(self, loop, ErrorCode.UNEXPECTED_TOKEN, TokenType.SEMI)
def test_loop_no_parentheses(self):
loop = 'do {;} while 1>0;'
should_fail(self, loop, ErrorCode.UNEXPECTED_TOKEN, TokenType.LPAREN)
loop = 'do {;} while (1>0;'
should_fail(self, loop, ErrorCode.UNEXPECTED_TOKEN, TokenType.RPAREN)
def test_loop_no_while_token(self):
loop = 'do {;};'
should_fail(self, loop, ErrorCode.UNEXPECTED_TOKEN, TokenType.WHILE)
loop = 'do {1+3; 1+4; a= b= c = 4+2-6;}'
should_fail(self, loop, ErrorCode.UNEXPECTED_TOKEN, TokenType.WHILE)
def test_no_first_arg(self):
f = 'a(, a);'
should_fail(self, f, ErrorCode.UNEXPECTED_TOKEN, TokenType.RPAREN)
def test_no_semi(self):
s = 'if (c) expr'
should_fail(self, s, ErrorCode.UNEXPECTED_TOKEN, TokenType.SEMI)
def test_rparen(self):
f = 'a('
should_fail(self, f, ErrorCode.UNEXPECTED_TOKEN, TokenType.RPAREN)
def test_lparen(self):
s = 'if ) ;'
should_fail(self, s, ErrorCode.UNEXPECTED_TOKEN, TokenType.LPAREN)
def test_no_first_index(self):
s = 'm[,a];'
should_fail(self, s, ErrorCode.EXPECTED_NOT_NONE, None,
ErrorDescription.NO_INDEX)
