starlark 0.13.0

/*
 * Copyright 2018 The Starlark in Rust Authors.
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

use crate::assert::Assert;
use crate::tests::bc::golden::bc_golden_test;

#[test]
fn test_fold_list_add() {
    bc_golden_test("constant_folding_list_add", "def test(): return [1] + [2]");
}

#[test]
fn test_fold_list_add_too_large() {
    let mut a = Assert::new();
    a.module("a0.bzl", "def a0(): return [1]");
    for i in 1..100 {
        // `a_17()` is inlined into `a_18()`.
        // If inlining is not limited, this test will run for very long time
        // and eat up all the memory.
        let i_1 = i - 1;
        a.module(
            &format!("a{i}.bzl"),
            &format!(
                "load('a{i_1}.bzl', 'a{i_1}')\n\
                def a{i}(): return a{i_1}() + a{i_1}() + a{i_1}() + a{i_1}() + a{i_1}()"
            ),
        );
    }
}