def test_string_statement():
src = """
// The string constant 'returns itself' when executed,
// when this is not printed or assigned to a variable nothing happens.
func main() { "String type"; }
"""
run_source(src)
def test_init_array():
src = """
func main() {
var a: array[100];
}
"""
run_source(src)
def test_invalid_type():
src = """
func test(a: number) { }
func main() { test("String type"); }
"""
with pytest.raises(interpreter.InvalidTypeException):
run_source(src)
def test_assign_void_var():
src = """
func main() {
var a: void = 3;
}
"""
with pytest.raises(interpreter.IllegalTypeException):
run_source(src)
def test_string_literal_typing():
src = """
func main() {
var a: number = "1\";
}
"""
with pytest.raises(interpreter.InvalidTypeException):
run_source(src)
def run_capture_stdout(src: str):
captured_output = ""
def stdout_cap(x):
nonlocal captured_output
captured_output = captured_output + x
run_source(src, stdout=stdout_cap)
return captured_output
def test_str_index_out_of_range():
src = """
func main() {
var a: string = "Hello World";
println(a[50]);
}
"""
with pytest.raises(interpreter.IndexOutOfBoundsException):
run_source(src)
def test_invalid_implicit_return():
src = """
func main() {
var a = 1;
a;
return a;
}
"""
with pytest.raises(interpreter.InvalidImplicitReturnException):
run_source(src)
def test_duplicate_func():
src = """
func a(n: number) { }
func a(n: number) { }
func main() {
a(4);
}
"""
with pytest.raises(interpreter.SmickelRuntimeException):
run_source(src)
def test_invalid_implicit_string_return():
src = """
func hello(): string {
"Hello";
"World";
}
func main() {
println(hello());
}
"""
with pytest.raises(interpreter.InvalidImplicitReturnException):
run_source(src)
def test_invalid_implicit_func_return():
src = """
func odd(n: number): bool {
if(n == 0) { false; }
even(n - 1);
even(n - 1);
}
func even(n: number): bool {
if (n == 0) { true; }
// We even support rust-like implicit returns.
odd(n - 1)
}
func main() {
odd(5);
}
"""
with pytest.raises(interpreter.InvalidImplicitReturnException):
run_source(src)
def test_var_assignment():
src = "func main() { var a = 1; }"
run_source(src)
def test_comparison_statement():
src = """
// Or conditions.
func main() { true == false; }
"""
run_source(src)
def test_undefined_variable():
src = "func main() { println(a); }"
with pytest.raises(interpreter.UndefinedVariableException):
run_source(src)
def test_main_void():
src = "func main(): void { }"
run_source(src)
def test_main_number_no_return():
src = "func main(): number { }"
with pytest.raises(interpreter.InvalidTypeException):
run_source(src)
def test_return_type():
src = 'func main(): string { return "Hello"; }'
run_source(src)
def test_invalid_return_type():
src = 'func main(): number { return "Hello"; }'
with pytest.raises(interpreter.InvalidTypeException):
run_source(src)
def test_arithmetic_statement():
src = """
// Or arithmetic statements.
func main() { 2 + 4; }
"""
run_source(src)
def test_number_statement():
src = """
// The same is true for numbers.
func main() { 1; }
"""
run_source(src)
def test_bool_statement():
src = """
// Or bools.
func main() { true; }
"""
run_source(src)
def test_return_bool_var():
src = """
func main() { var a: bool = true; return a; }
"""
run_source(src)
def test_return_bool_literal():
src = """
func main() { return true; }
"""
run_source(src)
def test_exit_code():
src = "func main() { return 1; }"
res = run_source(src)
assert res == 1
def test_exit_value():
src = 'func main() { return "Hello"; }'
res = run_source(src)
assert res == "Hello"
def test_empty():
src = ""
with pytest.raises(interpreter.EntrypointNotFoundException):
run_source(src)
def test_var_assignment_arithmetic():
src = "func main() { var a = 1 + 4; }"
run_source(src)
