58 lines
2.4 KiB
Rust
58 lines
2.4 KiB
Rust
use const_random::const_random;
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#[test]
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fn u32() {
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const VALUE1: u32 = const_random!(u32);
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const VALUE2: u32 = const_random!(u32);
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assert_ne!(0, VALUE1, "A random generated constant was zero. (This can randomly occur one time in 2^32) If this reproduces, it is a bug.");
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assert_ne!(0, VALUE2, "A random generated constant was zero. (This can randomly occur one time in 2^32) If this reproduces, it is a bug.");
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assert_ne!(VALUE1, VALUE2, "A random generated constant was the same as another. (This can randomly occur one time in 2^32) If this reproduces, it is a bug.");
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}
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#[test]
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fn i64() {
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const VALUE1: i64 = const_random!(i64);
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const VALUE2: i64 = const_random!(i64);
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assert_ne!(0, VALUE1, "A random generated constant was zero. (This can randomly occur one time in 2^64) If this reproduces, it is a bug.");
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assert_ne!(0, VALUE2, "A random generated constant was zero. (This can randomly occur one time in 2^64) If this reproduces, it is a bug.");
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assert_ne!(VALUE1, VALUE2, "A random generated constant was the same as another. (This can randomly occur one time in 2^64) If this reproduces, it is a bug.");
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}
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#[test]
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fn usize() {
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const VALUE1: usize = const_random!(usize);
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const VALUE2: usize = const_random!(usize);
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assert_ne!(0, VALUE1, "A random generated constant was zero. (This can randomly occur one time in 2^64) If this reproduces, it is a bug.");
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assert_ne!(0, VALUE2, "A random generated constant was zero. (This can randomly occur one time in 2^64) If this reproduces, it is a bug.");
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assert_ne!(VALUE1, VALUE2, "A random generated constant was the same as another. (This can randomly occur one time in 2^64) If this reproduces, it is a bug.");
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}
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#[test]
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fn u128() {
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const VALUE1: u128 = const_random!(u128);
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const VALUE2: u128 = const_random!(u128);
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assert_ne!(0, VALUE1);
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assert_ne!(0, VALUE2);
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assert_ne!(VALUE1, VALUE2);
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}
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#[test]
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fn suffixed() {
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fn f<T>(_: T) {
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// If const_random! emits an unsuffixed integer literal, this assertion
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// would fail because T would be inferred as the default unsuffixed
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// integer literal type i32.
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assert_eq!("u8", std::any::type_name::<T>());
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}
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f(const_random!(u8));
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}
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#[test]
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fn array() {
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const VALUE1: &[u8] = &const_random!([u8; 30]);
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const VALUE2: [u8; 30] = const_random!([u8; 30]);
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assert_ne!([0u8; 30], VALUE1);
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assert_ne!([0u8; 30], VALUE2);
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assert_ne!(VALUE1, VALUE2);
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}
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