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use crate::lexer::*;
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/**
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* Copyright 2020 Garrit Franke
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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use crate::parser::parse;
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#[test]
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fn test_parse_empty_function() {
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let raw = "fn main() {}";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_function_with_return() {
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let raw = "
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fn main() {
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return 1
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_redundant_semicolon() {
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let raw = "
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fn main() {
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return 1;
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_err())
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}
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#[test]
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fn test_parse_no_function_context() {
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let raw = "
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let x = 1
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_err())
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}
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#[test]
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fn test_parse_multiple_functions() {
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let raw = "
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fn foo() {
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let x = 2
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return x
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}
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fn bar() {
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let y = 5
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return y
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_variable_declaration() {
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let raw = "
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fn main() {
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let x = 1
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return x
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_function_with_args() {
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let raw = "
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fn main(foo) {
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return foo
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_function_call() {
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let raw = "
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fn main(foo) {
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foo()
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}
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fn foo() {
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foo(2)
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_return_function_call() {
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let raw = "
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fn main() {
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return fib(2)
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}
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fn fib() {
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return fib(2)
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_function_call_multiple_arguments() {
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let raw = "
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fn main() {
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fib(1, 2, 3)
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}
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fn fib() {
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return 2
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_nexted_function_call() {
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let raw = "
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fn main() {
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fib(fib(2), 2)
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}
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fn fib(n) {
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return 2
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_basic_ops() {
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let raw = "
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fn main() {
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return 2 * 5
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_compound_ops() {
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let raw = "
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fn main() {
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2 * 5 / 3
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_compound_ops_with_function_call() {
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let raw = "
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fn main() {
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return 2 * fib(1) / 3
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_compound_ops_with_strings() {
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let raw = "
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fn main() {
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return 2 * \"Hello\"
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_compound_ops_with_identifier() {
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let raw = "
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fn main(n) {
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return 2 * n
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_compound_ops_with_identifier_first() {
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let raw = "
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fn main(n) {
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return n * 2
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_compound_ops_return() {
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let raw = "
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fn main(n) {
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return 2 * n
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_basic_conditional() {
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let raw = "
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fn main(n) {
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if n {
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return n
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}
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_basic_conditional_with_multiple_statements() {
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let raw = "
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fn main(n) {
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if n {
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let x = 2 * n
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return x
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}
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_conditional_else_if_branch() {
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let raw = "
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fn main(n) {
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if n > 10 {
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let x = 2 * n
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return x
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} else if n <= 10 {
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return n
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}
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_conditional_multiple_else_if_branch_branches() {
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let raw = "
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fn main(n) {
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if n > 10 {
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let x = 2 * n
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return x
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} else if n < 10 {
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return n
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} else if n == 10 {
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return n + 1
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}
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_conditional_else_branch() {
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let raw = "
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fn main(n) {
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if n > 10 {
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let x = 2 * n
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return x
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} else {
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return n
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}
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_parse_conditional_elseif_else_branch() {
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let raw = "
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fn main(n) {
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if n > 10 {
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let x = 2 * n
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return x
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} else if n < 10 {
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return n
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} else if n == 10 {
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return n + 1
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} else {
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return n
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}
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_int_array() {
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let raw = "
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fn main(n) {
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let arr = [1, 2, 3]
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return arr
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_string_array() {
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let raw = "
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fn main(n) {
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return [\"Foo\", \"Bar\", \"Baz\"]
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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#[test]
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fn test_basic_while_loop() {
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let raw = "
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fn main() {
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let x = 5 * 2
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while x > 0 {
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return x
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}
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}
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";
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let tokens = tokenize(raw);
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let tree = parse(tokens, Some(raw.to_string()));
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assert!(tree.is_ok())
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}
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