35 lines
1.2 KiB
Rust
35 lines
1.2 KiB
Rust
use aeron_rs::client::concurrent::broadcast::{buffer_descriptor, BroadcastReceiver};
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use aeron_rs::util::IndexT;
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const CAPACITY: usize = 1024;
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const TOTAL_BUFFER_LENGTH: usize = CAPACITY + buffer_descriptor::TRAILER_LENGTH as usize;
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// NOTE: The C++ tests use a mock atomic buffer for testing to validate behavior.
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// This is rather hard to do with Rust, so we skip behavior validation for now,
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// and assume that other tests will end up verifying needed behavior.
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#[test]
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fn should_calculate_capacity_for_buffer() {
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let buffer = BroadcastReceiver::new(vec![0u8; TOTAL_BUFFER_LENGTH]).unwrap();
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assert_eq!(buffer.capacity(), CAPACITY as IndexT);
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}
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#[test]
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fn should_throw_exception_for_capacity_that_is_not_power_of_two() {
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let bytes = vec![0u8; 777 + buffer_descriptor::TRAILER_LENGTH as usize];
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assert!(BroadcastReceiver::new(bytes).is_err());
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}
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#[test]
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fn should_not_be_lapped_before_reception() {
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let receiver = BroadcastReceiver::new(vec![0u8; TOTAL_BUFFER_LENGTH]).unwrap();
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assert_eq!(receiver.lapped_count(), 0);
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}
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#[test]
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fn should_not_receive_from_empty_buffer() {
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let mut receiver = BroadcastReceiver::new(vec![0u8; TOTAL_BUFFER_LENGTH]).unwrap();
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assert_eq!(receiver.receive_next(), Ok(false));
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}
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