爱特每羊队
81 lines
1.6 KiB
Rust
81 lines
1.6 KiB
Rust
use oxide_compiler::compiler::Compiler;
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use oxide_parser::Allocator;
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use oxide_vm::vm::Vm;
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fn eval(source: &str) -> String {
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let allocator = Allocator::default();
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let program = match oxide_parser::parse(&allocator, source) {
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Ok(p) => p,
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Err(e) => return format!("parse error: {}", e[0].message),
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};
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let module = match Compiler::new().compile(&program) {
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Ok(m) => m,
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Err(e) => return format!("compile error: {e}"),
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};
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let mut vm = Vm::new();
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match vm.run(&module) {
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Ok(result) => format!("{result}"),
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Err(e) => format!("vm error: {e}"),
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}
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}
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#[test]
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fn eval_inc_pre() {
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assert_eq!(eval("var x=0; ++x; x"), "1");
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}
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#[test]
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fn eval_inc_pre_expr() {
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assert_eq!(eval("var x=0; ++x"), "1");
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}
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#[test]
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fn eval_inc_post_var() {
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assert_eq!(eval("var x=0; x++; x"), "1");
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}
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#[test]
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fn eval_inc_post_expr() {
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assert_eq!(eval("var x=0; x++"), "0");
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}
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#[test]
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fn eval_dec_pre() {
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assert_eq!(eval("var x=5; --x; x"), "4");
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}
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#[test]
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fn eval_dec_pre_expr() {
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assert_eq!(eval("var x=5; --x"), "4");
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}
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#[test]
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fn eval_dec_post_var() {
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assert_eq!(eval("var x=5; x--; x"), "4");
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}
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#[test]
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fn eval_dec_post_expr() {
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assert_eq!(eval("var x=5; x--"), "5");
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}
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#[test]
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fn eval_inc_string_coerce() {
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assert_eq!(eval("var x='5'; ++x"), "6");
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}
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#[test]
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fn eval_inc_nan() {
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assert_eq!(eval("var x='hello'; ++x"), "NaN");
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}
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#[test]
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fn eval_multi_update() {
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assert_eq!(eval("var x=1; x++; x; ++x"), "3");
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}
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#[test]
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fn eval_inc_post_in_assign() {
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assert_eq!(eval("var x=0; var y=x++; y"), "0");
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}
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