爱特每羊队
156 lines
3.3 KiB
Rust
156 lines
3.3 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_arithmetic_add() {
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assert_eq!(eval("1 + 2"), "3");
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}
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#[test]
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fn eval_arithmetic_sub() {
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assert_eq!(eval("5 - 3"), "2");
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}
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#[test]
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fn eval_arithmetic_mul() {
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assert_eq!(eval("3 * 4"), "12");
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}
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#[test]
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fn eval_arithmetic_div() {
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assert_eq!(eval("10 / 2"), "5");
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}
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#[test]
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fn eval_arithmetic_mod() {
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assert_eq!(eval("7 % 3"), "1");
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}
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#[test]
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fn eval_precedence() {
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assert_eq!(eval("1 * 2 + 3"), "5");
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}
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#[test]
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fn eval_negation() {
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assert_eq!(eval("-5"), "-5");
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}
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#[test]
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fn eval_division_by_zero() {
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assert_eq!(eval("1 / 0"), "Infinity");
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}
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#[test]
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fn eval_string_concat() {
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assert_eq!(eval("1 + 2 + 3"), "6");
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}
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#[test]
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fn eval_compound_add() {
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assert_eq!(eval("var x=5; x+=3; x"), "8");
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}
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#[test]
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fn eval_compound_sub() {
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assert_eq!(eval("var x=10; x-=4; x"), "6");
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}
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#[test]
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fn eval_compound_mul() {
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assert_eq!(eval("var x=2; x*=3; x"), "6");
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}
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#[test]
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fn eval_compound_div() {
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assert_eq!(eval("var x=10; x/=2; x"), "5");
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}
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#[test]
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fn eval_compound_mod() {
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assert_eq!(eval("var x=7; x%=3; x"), "1");
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}
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#[test]
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fn eval_compound_exp() {
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assert_eq!(eval("var x=2; x**=3; x"), "8");
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}
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#[test]
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fn eval_compound_add_expr_value() {
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assert_eq!(eval("var x=5; x+=3"), "8");
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}
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#[test]
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fn eval_compound_undefined() {
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assert_eq!(eval("var x; x+=1; x"), "NaN");
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}
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#[test]
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fn eval_bitwise_direct_ops() {
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assert_eq!(eval("5 & 3"), "1");
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assert_eq!(eval("5 | 2"), "7");
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assert_eq!(eval("5 ^ 1"), "4");
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assert_eq!(eval("1 << 3"), "8");
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assert_eq!(eval("-8 >> 1"), "-4");
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assert_eq!(eval("-1 >>> 0"), "4294967295");
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assert_eq!(eval("~0"), "-1");
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}
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#[test]
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fn eval_bitwise_coercion() {
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assert_eq!(eval("'3' | 0"), "3");
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assert_eq!(eval("'x' | 0"), "0");
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assert_eq!(eval("undefined | 0"), "0");
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assert_eq!(eval("NaN | 0"), "0");
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assert_eq!(eval("1.9 | 0"), "1");
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assert_eq!(eval("-1.9 | 0"), "-1");
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}
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#[test]
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fn eval_shift_masking() {
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assert_eq!(eval("1 << 32"), "1");
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assert_eq!(eval("1 << 33"), "2");
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assert_eq!(eval("8 >> 33"), "4");
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}
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#[test]
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fn eval_ushr_boundaries() {
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assert_eq!(eval("2147483647 >>> 0"), "2147483647");
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assert_eq!(eval("2147483648 >>> 0"), "2147483648");
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assert_eq!(eval("-1 >>> 1"), "2147483647");
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}
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#[test]
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fn eval_compound_bitwise_ops() {
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assert_eq!(eval("var x=5; x &= 3; x"), "1");
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assert_eq!(eval("var x=5; x |= 2; x"), "7");
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assert_eq!(eval("var x=5; x ^= 1; x"), "4");
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assert_eq!(eval("var x=1; x <<= 5; x"), "32");
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assert_eq!(eval("var x=-8; x >>= 1; x"), "-4");
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assert_eq!(eval("var x=-1; x >>>= 0; x"), "4294967295");
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}
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#[test]
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fn eval_bitwise_in_control_flow() {
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assert_eq!(eval("var x=3; if ((x & 1) == 1) { 7 } else { 9 }"), "7");
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}
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