1 #!/bin/sh
2 #
3 # Copyright (c) 2006 Johannes E. Schindelin
4 #
6 test_description='Test special whitespace in diff engine.
8 '
9 . ./test-lib.sh
10 . ../diff-lib.sh
12 # Ray Lehtiniemi's example
14 cat << EOF > x
15 do {
16 nothing;
17 } while (0);
18 EOF
20 git update-index --add x
22 cat << EOF > x
23 do
24 {
25 nothing;
26 }
27 while (0);
28 EOF
30 cat << EOF > expect
31 diff --git a/x b/x
32 index adf3937..6edc172 100644
33 --- a/x
34 +++ b/x
35 @@ -1,3 +1,5 @@
36 -do {
37 +do
38 +{
39 nothing;
40 -} while (0);
41 +}
42 +while (0);
43 EOF
45 git diff > out
46 test_expect_success "Ray's example without options" 'git diff expect out'
48 git diff -w > out
49 test_expect_success "Ray's example with -w" 'git diff expect out'
51 git diff -b > out
52 test_expect_success "Ray's example with -b" 'git diff expect out'
54 tr 'Q' '\015' << EOF > x
55 whitespace at beginning
56 whitespace change
57 whitespace in the middle
58 whitespace at end
59 unchanged line
60 CR at endQ
61 EOF
63 git update-index x
65 cat << EOF > x
66 whitespace at beginning
67 whitespace change
68 white space in the middle
69 whitespace at end
70 unchanged line
71 CR at end
72 EOF
74 tr 'Q' '\015' << EOF > expect
75 diff --git a/x b/x
76 index d99af23..8b32fb5 100644
77 --- a/x
78 +++ b/x
79 @@ -1,6 +1,6 @@
80 -whitespace at beginning
81 -whitespace change
82 -whitespace in the middle
83 -whitespace at end
84 + whitespace at beginning
85 +whitespace change
86 +white space in the middle
87 +whitespace at end
88 unchanged line
89 -CR at endQ
90 +CR at end
91 EOF
92 git diff > out
93 test_expect_success 'another test, without options' 'git diff expect out'
95 cat << EOF > expect
96 diff --git a/x b/x
97 index d99af23..8b32fb5 100644
98 EOF
99 git diff -w > out
100 test_expect_success 'another test, with -w' 'git diff expect out'
102 tr 'Q' '\015' << EOF > expect
103 diff --git a/x b/x
104 index d99af23..8b32fb5 100644
105 --- a/x
106 +++ b/x
107 @@ -1,6 +1,6 @@
108 -whitespace at beginning
109 + whitespace at beginning
110 whitespace change
111 -whitespace in the middle
112 +white space in the middle
113 whitespace at end
114 unchanged line
115 CR at endQ
116 EOF
117 git diff -b > out
118 test_expect_success 'another test, with -b' 'git diff expect out'
120 test_expect_success 'check mixed spaces and tabs in indent' '
122 # This is indented with SP HT SP.
123 echo " foo();" > x &&
124 git diff --check | grep "Space in indent is followed by a tab"
126 '
128 test_expect_success 'check with no whitespace errors' '
130 git commit -m "snapshot" &&
131 echo "foo();" > x &&
132 git diff --check
134 '
136 test_expect_success 'check with trailing whitespace' '
138 echo "foo(); " > x &&
139 ! git diff --check
141 '
143 test_expect_success 'check with space before tab in indent' '
145 # indent has space followed by hard tab
146 echo " foo();" > x &&
147 ! git diff --check
149 '
151 test_expect_success '--check and --exit-code are not exclusive' '
153 git checkout x &&
154 git diff --check --exit-code
156 '
158 test_expect_success '--check and --quiet are not exclusive' '
160 git diff --check --quiet
162 '
164 test_expect_success 'check staged with no whitespace errors' '
166 echo "foo();" > x &&
167 git add x &&
168 git diff --cached --check
170 '
172 test_expect_success 'check staged with trailing whitespace' '
174 echo "foo(); " > x &&
175 git add x &&
176 ! git diff --cached --check
178 '
180 test_expect_success 'check staged with space before tab in indent' '
182 # indent has space followed by hard tab
183 echo " foo();" > x &&
184 git add x &&
185 ! git diff --cached --check
187 '
189 test_expect_success 'check with no whitespace errors (diff-index)' '
191 echo "foo();" > x &&
192 git add x &&
193 git diff-index --check HEAD
195 '
197 test_expect_success 'check with trailing whitespace (diff-index)' '
199 echo "foo(); " > x &&
200 git add x &&
201 ! git diff-index --check HEAD
203 '
205 test_expect_success 'check with space before tab in indent (diff-index)' '
207 # indent has space followed by hard tab
208 echo " foo();" > x &&
209 git add x &&
210 ! git diff-index --check HEAD
212 '
214 test_expect_success 'check staged with no whitespace errors (diff-index)' '
216 echo "foo();" > x &&
217 git add x &&
218 git diff-index --cached --check HEAD
220 '
222 test_expect_success 'check staged with trailing whitespace (diff-index)' '
224 echo "foo(); " > x &&
225 git add x &&
226 ! git diff-index --cached --check HEAD
228 '
230 test_expect_success 'check staged with space before tab in indent (diff-index)' '
232 # indent has space followed by hard tab
233 echo " foo();" > x &&
234 git add x &&
235 ! git diff-index --cached --check HEAD
237 '
239 test_expect_success 'check with no whitespace errors (diff-tree)' '
241 echo "foo();" > x &&
242 git commit -m "new commit" x &&
243 git diff-tree --check HEAD^ HEAD
245 '
247 test_expect_success 'check with trailing whitespace (diff-tree)' '
249 echo "foo(); " > x &&
250 git commit -m "another commit" x &&
251 ! git diff-tree --check HEAD^ HEAD
253 '
255 test_expect_success 'check with space before tab in indent (diff-tree)' '
257 # indent has space followed by hard tab
258 echo " foo();" > x &&
259 git commit -m "yet another" x &&
260 ! git diff-tree --check HEAD^ HEAD
262 '
264 test_expect_success 'check trailing whitespace (trailing-space: off)' '
266 git config core.whitespace "-trailing-space" &&
267 echo "foo (); " > x &&
268 git diff --check
270 '
272 test_expect_success 'check trailing whitespace (trailing-space: on)' '
274 git config core.whitespace "trailing-space" &&
275 echo "foo (); " > x &&
276 ! git diff --check
278 '
280 test_expect_success 'check space before tab in indent (space-before-tab: off)' '
282 # indent contains space followed by HT
283 git config core.whitespace "-space-before-tab" &&
284 echo " foo ();" > x &&
285 git diff --check
287 '
289 test_expect_success 'check space before tab in indent (space-before-tab: on)' '
291 # indent contains space followed by HT
292 git config core.whitespace "space-before-tab" &&
293 echo " foo (); " > x &&
294 ! git diff --check
296 '
298 test_expect_success 'check spaces as indentation (indent-with-non-tab: off)' '
300 git config core.whitespace "-indent-with-non-tab"
301 echo " foo ();" > x &&
302 git diff --check
304 '
306 test_expect_success 'check spaces as indentation (indent-with-non-tab: on)' '
308 git config core.whitespace "indent-with-non-tab" &&
309 echo " foo ();" > x &&
310 ! git diff --check
312 '
314 test_done