mirror of
https://github.com/RGBCube/uutils-coreutils
synced 2026-01-18 11:11:10 +00:00
218f523e1b
Instead of returning an Err it should return the "null string" (in our case that's the empty string) when the offset or length is invalid.
85 lines
1.8 KiB
Rust
85 lines
1.8 KiB
Rust
use crate::common::util::*;
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#[test]
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fn test_simple_arithmetic() {
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new_ucmd!().args(&["1", "+", "1"]).run().stdout_is("2\n");
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new_ucmd!().args(&["1", "-", "1"]).run().stdout_is("0\n");
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new_ucmd!().args(&["3", "*", "2"]).run().stdout_is("6\n");
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new_ucmd!().args(&["4", "/", "2"]).run().stdout_is("2\n");
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}
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#[test]
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fn test_complex_arithmetic() {
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let run = new_ucmd!()
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.args(&["9223372036854775807", "+", "9223372036854775807"])
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.run();
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run.stdout_is("");
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run.stderr_is("expr: error: +: Numerical result out of range");
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let run = new_ucmd!().args(&["9", "/", "0"]).run();
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run.stdout_is("");
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run.stderr_is("expr: error: division by zero");
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}
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#[test]
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fn test_parenthesis() {
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new_ucmd!()
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.args(&["(", "1", "+", "1", ")", "*", "2"])
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.run()
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.stdout_is("4\n");
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}
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#[test]
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fn test_or() {
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new_ucmd!()
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.args(&["0", "|", "foo"])
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.run()
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.stdout_is("foo\n");
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new_ucmd!()
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.args(&["foo", "|", "bar"])
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.run()
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.stdout_is("foo\n");
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}
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#[test]
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fn test_and() {
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new_ucmd!()
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.args(&["foo", "&", "1"])
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.run()
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.stdout_is("foo\n");
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new_ucmd!().args(&["", "&", "1"]).run().stdout_is("0\n");
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}
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#[test]
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fn test_substr() {
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new_ucmd!()
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.args(&["substr", "abc", "1", "1"])
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.succeeds()
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.stdout_only("a\n");
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}
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#[test]
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fn test_invalid_substr() {
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new_ucmd!()
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.args(&["substr", "abc", "0", "1"])
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.fails()
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.status_code(1)
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.stdout_only("\n");
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new_ucmd!()
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.args(&["substr", "abc", &(std::usize::MAX.to_string() + "0"), "1"])
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.fails()
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.status_code(1)
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.stdout_only("\n");
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new_ucmd!()
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.args(&["substr", "abc", "0", &(std::usize::MAX.to_string() + "0")])
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.fails()
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.status_code(1)
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.stdout_only("\n");
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}
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