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Merge pull request #762 from ebfe/expr-and-or

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expr: implement '|' and '&'
This commit is contained in:
Heather 2015-12-22 17:20:58 +04:00
commit 9339bbe50d
3 changed files with 83 additions and 1 deletions
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54
tests/expr.rs Normal file
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#[macro_use]
mod common;
use common::util::*;
static UTIL_NAME: &'static str = "expr";
#[test]
fn test_simple_arithmetic() {
let (_, mut ucmd) = testing(UTIL_NAME);
let out = ucmd.args(&["1", "+", "1"]).run().stdout;
assert_eq!(out, "2\n");
let (_, mut ucmd) = testing(UTIL_NAME);
let out = ucmd.args(&["1", "-", "1"]).run().stdout;
assert_eq!(out, "0\n");
let (_, mut ucmd) = testing(UTIL_NAME);
let out = ucmd.args(&["3", "*", "2"]).run().stdout;
assert_eq!(out, "6\n");
let (_, mut ucmd) = testing(UTIL_NAME);
let out = ucmd.args(&["4", "/", "2"]).run().stdout;
assert_eq!(out, "2\n");
}
#[test]
fn test_parenthesis() {
let (_, mut ucmd) = testing(UTIL_NAME);
let out = ucmd.args(&["(", "1", "+", "1", ")", "*", "2"]).run().stdout;
assert_eq!(out, "4\n");
}
#[test]
fn test_or() {
let (_, mut ucmd) = testing(UTIL_NAME);
let out = ucmd.args(&["0", "|", "foo"]).run().stdout;
assert_eq!(out, "foo\n");
let (_, mut ucmd) = testing(UTIL_NAME);
let out = ucmd.args(&["foo", "|", "bar"]).run().stdout;
assert_eq!(out, "foo\n");
}
#[test]
fn test_and() {
let (_, mut ucmd) = testing(UTIL_NAME);
let out = ucmd.args(&["foo", "&", "1"]).run().stdout;
assert_eq!(out, "foo\n");
let (_, mut ucmd) = testing(UTIL_NAME);
let out = ucmd.args(&["", "&", "1"]).run().stdout;
assert_eq!(out, "0\n");
}