26 lines
896 B
Rust
26 lines
896 B
Rust
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use crate::parser::NyashParser;
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use crate::interpreter::NyashInterpreter;
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#[test]
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fn vm_exec_bitwise_and_shift() {
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let code = r#"
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return (5 & 3) + (5 | 2) + (5 ^ 1) + (1 << 5) + (32 >> 3)
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"#;
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let ast = NyashParser::parse_from_string(code).expect("parse ok");
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let mut interp = NyashInterpreter::new();
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let out = interp.execute(ast).expect("exec ok");
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assert_eq!(out.to_string_box().value, "48");
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}
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#[test]
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fn vm_exec_shift_masking() {
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// 1 << 100 should mask to 1 << (100 & 63) = 1 << 36
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let code = r#" return 1 << 100 "#;
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let ast = NyashParser::parse_from_string(code).expect("parse ok");
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let mut interp = NyashInterpreter::new();
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let out = interp.execute(ast).expect("exec ok");
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// compute expected as i64
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let expected = (1_i64 as i64).wrapping_shl((100_u32) & 63);
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assert_eq!(out.to_string_box().value, expected.to_string());
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}
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