爱特每羊队
82 lines
2.0 KiB
Rust
82 lines
2.0 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) -> Result<oxide_types::value::JsValue, String> {
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let allocator = Allocator::default();
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let program =
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oxide_parser::parse(&allocator, source).map_err(|e| format!("Parse error: {:?}", e))?;
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let module = Compiler::new()
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.compile(&program)
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.map_err(|e| format!("Compile error: {}", e))?;
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let mut vm = Vm::new();
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vm.run(&module)
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}
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#[test]
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fn eval_nan_returns_nan() {
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let result = eval("NaN").unwrap();
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assert!(result.is_double());
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assert!(result.as_double().is_nan());
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}
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#[test]
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fn eval_undefined_returns_undefined() {
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let result = eval("undefined").unwrap();
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assert!(result.is_undefined());
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}
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#[test]
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fn typeof_nan_is_number() {
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let result = eval("typeof NaN").unwrap();
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assert!(result.is_string());
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}
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#[test]
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fn typeof_undefined_is_undefined() {
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let result = eval("typeof undefined").unwrap();
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assert!(result.is_string());
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}
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#[test]
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fn eval_infinity_returns_infinity() {
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let result = eval("Infinity").unwrap();
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assert!(result.is_double());
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assert!(result.as_double().is_infinite());
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assert!(result.as_double().is_sign_positive());
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}
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#[test]
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fn eval_neg_infinity_via_division() {
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let result = eval("1 / Infinity").unwrap();
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assert!(result.is_double());
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assert_eq!(result.as_double(), 0.0);
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}
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#[test]
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fn typeof_infinity_is_number() {
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let result = eval("typeof Infinity").unwrap();
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assert!(result.is_string());
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}
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#[test]
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fn infinity_ne_nan() {
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let result = eval("Infinity !== NaN").unwrap();
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assert!(result.is_bool());
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assert!(result.as_bool());
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}
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#[test]
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fn infinity_gt_large_number() {
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let result = eval("Infinity > 1e308").unwrap();
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assert!(result.is_bool());
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assert!(result.as_bool());
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}
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#[test]
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fn division_by_zero_gives_infinity() {
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let result = eval("1 / 0").unwrap();
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assert!(result.is_double());
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assert!(result.as_double().is_infinite());
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}
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