67 lines
2.0 KiB
Rust
67 lines
2.0 KiB
Rust
//! Example Rust-based SBF program tests loop iteration
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#![allow(clippy::integer_arithmetic)]
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extern crate solana_program;
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use solana_program::{custom_heap_default, custom_panic_default, entrypoint::SUCCESS};
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#[no_mangle]
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pub extern "C" fn entrypoint(_input: *mut u8) -> u64 {
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let x: u128 = 1;
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let y = x.rotate_right(1);
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assert_eq!(y, 170_141_183_460_469_231_731_687_303_715_884_105_728);
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assert_eq!(
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u128::max_value(),
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340_282_366_920_938_463_463_374_607_431_768_211_455
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);
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let mut z = u128::max_value();
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z -= 1;
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assert_eq!(z, 340_282_366_920_938_463_463_374_607_431_768_211_454);
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assert_eq!(u128::from(1u32.to_le()), 1);
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assert_eq!(u128::from(1u32.to_be()), 0x0100_0000);
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assert_eq!(solana_sbf_rust_128bit_dep::uadd(10, 20), 30u128);
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assert_eq!(solana_sbf_rust_128bit_dep::usubtract(30, 20), 10u128);
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assert_eq!(solana_sbf_rust_128bit_dep::umultiply(30, 20), 600u128);
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assert_eq!(solana_sbf_rust_128bit_dep::udivide(20, 10), 2u128);
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assert_eq!(solana_sbf_rust_128bit_dep::umodulo(20, 3), 2u128);
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assert_eq!(solana_sbf_rust_128bit_dep::add(-10, -20), -30i128);
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assert_eq!(solana_sbf_rust_128bit_dep::subtract(-30, -20), -10i128);
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assert_eq!(solana_sbf_rust_128bit_dep::multiply(-30, -20), 600i128);
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assert_eq!(solana_sbf_rust_128bit_dep::divide(-20, -10), 2i128);
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assert_eq!(solana_sbf_rust_128bit_dep::modulo(-20, -3), -2i128);
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let x = u64::max_value();
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assert_eq!(u128::from(x) + u128::from(x), 36_893_488_147_419_103_230);
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let x = solana_sbf_rust_128bit_dep::uadd(
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u128::from(u64::max_value()),
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u128::from(u64::max_value()),
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);
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assert_eq!(x.wrapping_shr(64) as u64, 1);
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assert_eq!(
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x.wrapping_shl(64).wrapping_shr(64) as u64,
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0xffff_ffff_ffff_fffe
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);
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assert_eq!(x, 0x0001_ffff_ffff_ffff_fffe);
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SUCCESS
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}
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custom_heap_default!();
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custom_panic_default!();
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#[cfg(test)]
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mod test {
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use super::*;
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#[test]
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fn test_entrypoint() {
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assert_eq!(SUCCESS, entrypoint(std::ptr::null_mut()));
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}
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}
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