From d4e0ee0cde20833d1bd2b66594b70b5775b7514c Mon Sep 17 00:00:00 2001 From: Michael Gehring Date: Tue, 22 Dec 2015 14:10:43 +0100 Subject: [PATCH] expr: add basic tests --- Makefile | 1 + tests/expr.rs | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 55 insertions(+) create mode 100644 tests/expr.rs diff --git a/Makefile b/Makefile index 89cdfeb24..97d389d7c 100644 --- a/Makefile +++ b/Makefile @@ -125,6 +125,7 @@ TEST_PROGS := \ dirname \ echo \ env \ + expr \ factor \ false \ fold \ diff --git a/tests/expr.rs b/tests/expr.rs new file mode 100644 index 000000000..72d07c499 --- /dev/null +++ b/tests/expr.rs @@ -0,0 +1,54 @@ +#[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"); +}