爱特每羊队
77 lines
2.1 KiB
Rust
77 lines
2.1 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 regression_to_boolean_empty_string() {
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assert_eq!(eval("!''"), "true", "NOT empty string should be true");
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assert_eq!(
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eval("if ('') { 1 } else { 2 }"),
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"2",
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"empty string should be falsy"
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);
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}
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#[test]
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fn regression_rerun_clears_ic_cache() {
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let allocator = Allocator::default();
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let source = "var o = {a: 1}; o.a";
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let program = oxide_parser::parse(&allocator, source).expect("parse");
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let module = Compiler::new().compile(&program).expect("compile");
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let mut vm = Vm::new();
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assert_eq!(format!("{}", vm.run(&module).unwrap()), "1");
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let source2 = "var o = {a: 2}; o.a";
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let program2 = oxide_parser::parse(&allocator, source2).expect("parse");
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let module2 = Compiler::new().compile(&program2).expect("compile");
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vm.run(&module2).unwrap();
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assert_eq!(
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format!("{}", vm.rerun().unwrap()),
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"2",
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"rerun should re-read IC-cached property, not stale value from previous run"
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);
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}
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#[test]
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fn regression_recursion_depth_limit() {
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assert_eq!(
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eval("function f(){f()} f()"),
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"vm error: RangeError: Maximum call stack size exceeded"
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);
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}
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#[test]
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fn regression_throw_statement_errors() {
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let result = eval("throw 'error'");
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assert!(
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result.contains("uncaught"),
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"expected uncaught, got: {result}"
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);
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}
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#[test]
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fn regression_for_in_prototype_chain() {
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assert_eq!(
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eval("var c=0;for(var k in {a:1}){c=c+1;}c"),
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"2",
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"for-in should include inherited constructor from prototype"
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);
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}
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