1#!/bin/bash
2
3#testing "name" "command" "result" "infile" "stdin"
4
5seq 10 > left
6seq 11 > right
7
8testing "unknown argument" 'diff --oops left right 2>/dev/null ; echo $?' "2\n" "" ""
9testing "missing" 'diff missing1 missing2 2>/dev/null ; echo $?' "2\n" "" ""
10
11testing "- -" 'diff - - ; echo $?' "0\n" "" "whatever"
12
13expected='--- lll
14+++ rrr
15@@ -8,3 +8,4 @@
16 8
17 9
18 10
19+11
20'
21# Hm this only gives unified diffs?
22testing "simple" "diff -L lll -L rrr left right" "$expected" "" ""
23
24
25expected='--- tree1/file
26+++ tree2/file
27@@ -1 +1 @@
28-foo
29+food
30'
31mkdir -p tree1 tree2
32echo foo > tree1/file
33echo food > tree2/file
34
35testing "-r" "diff -r -L tree1/file -L tree2/file tree1 tree2 |tee out" "$expected" "" ""
36