coreutils/tests/test_expr.rs
bootandy 4756eb5c19 Fix expr
expr now detects overflows and logs to stderr instead of overflowing the
input
https://github.com/uutils/coreutils/issues/1194
2018-07-08 21:24:25 +01:00

43 lines
1.1 KiB
Rust

use common::util::*;
#[test]
fn test_simple_arithmetic() {
new_ucmd!().args(&["1", "+", "1"]).run().stdout_is("2\n");
new_ucmd!().args(&["1", "-", "1"]).run().stdout_is("0\n");
new_ucmd!().args(&["3", "*", "2"]).run().stdout_is("6\n");
new_ucmd!().args(&["4", "/", "2"]).run().stdout_is("2\n");
}
#[test]
fn test_complex_arithmetic() {
let run = new_ucmd!().args(&["9223372036854775807", "+", "9223372036854775807"]).run();
run.stdout_is("");
run.stderr_is("expr: error: +: Numerical result out of range");
let run = new_ucmd!().args(&["9", "/", "0"]).run();
run.stdout_is("");
run.stderr_is("expr: error: division by zero");
}
#[test]
fn test_parenthesis() {
new_ucmd!().args(&["(", "1", "+", "1", ")", "*", "2"]).run().stdout_is("4\n");
}
#[test]
fn test_or() {
new_ucmd!().args(&["0", "|", "foo"]).run().stdout_is("foo\n");
new_ucmd!().args(&["foo", "|", "bar"]).run().stdout_is("foo\n");
}
#[test]
fn test_and() {
new_ucmd!().args(&["foo", "&", "1"]).run().stdout_is("foo\n");
new_ucmd!().args(&["", "&", "1"]).run().stdout_is("0\n");
}