78 lines
2.4 KiB
Rust
78 lines
2.4 KiB
Rust
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use nu_test_support::nu;
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#[test]
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pub fn returns_error_for_relative_range_on_infinite_stream() {
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let actual = nu!("nu --testbin iecho 3 | bytes at ..-3");
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assert!(
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actual.err.contains(
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"Relative range values cannot be used with streams that don't have a known length"
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),
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"Expected error message for negative range with infinite stream"
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);
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}
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#[test]
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pub fn returns_bytes_for_fixed_range_on_infinite_stream_including_end() {
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let actual = nu!("nu --testbin iecho 3 | bytes at ..10 | decode");
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assert_eq!(
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actual.out, "333333",
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"Expected bytes from index 0 to 10, but got different output"
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);
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let actual = nu!("nu --testbin iecho 3 | bytes at ..10 | decode");
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assert_eq!(
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actual.out, "333333",
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"Expected bytes from index 0 to 10, but got different output"
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);
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}
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#[test]
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pub fn returns_bytes_for_fixed_range_on_infinite_stream_excluding_end() {
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let actual = nu!("nu --testbin iecho 3 | bytes at ..<9 | decode");
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assert_eq!(
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actual.out, "33333",
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"Expected bytes from index 0 to 8, but got different output"
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);
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}
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#[test]
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pub fn test_string_returns_correct_slice_for_simple_positive_slice() {
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let actual = nu!("\"Hello World\" | encode utf8 | bytes at ..4 | decode");
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assert_eq!(actual.out, "Hello");
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}
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#[test]
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pub fn test_string_returns_correct_slice_for_negative_start() {
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let actual = nu!("\"Hello World\" | encode utf8 | bytes at (-5)..10 | decode");
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assert_eq!(actual.out, "World");
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}
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#[test]
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pub fn test_string_returns_correct_slice_for_negative_end() {
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let actual = nu!("\"Hello World\" | encode utf8 | bytes at ..-7 | decode");
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assert_eq!(actual.out, "Hello");
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}
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#[test]
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pub fn test_string_returns_correct_slice_for_empty_slice() {
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let actual = nu!("\"Hello World\" | encode utf8 | bytes at 5..<5 | decode");
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assert_eq!(actual.out, "");
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}
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#[test]
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pub fn test_string_returns_correct_slice_for_out_of_bounds() {
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let actual = nu!("\"Hello World\" | encode utf8 | bytes at ..20 | decode");
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assert_eq!(actual.out, "Hello World");
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}
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#[test]
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pub fn test_string_returns_correct_slice_for_invalid_range() {
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let actual = nu!("\"Hello World\" | encode utf8 | bytes at 11..5 | decode");
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assert_eq!(actual.out, "");
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}
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#[test]
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pub fn test_string_returns_correct_slice_for_max_end() {
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let actual = nu!("\"Hello World\" | encode utf8 | bytes at 6..<11 | decode");
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assert_eq!(actual.out, "World");
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}
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