summaryrefslogtreecommitdiff
path: root/t/t4015-diff-whitespace.sh
blob: 05ef78b2c0875d775461227f8368fac370b20dbc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
#!/bin/sh
#
# Copyright (c) 2006 Johannes E. Schindelin
#
 
test_description='Test special whitespace in diff engine.
 
'
. ./test-lib.sh
. ../diff-lib.sh
 
# Ray Lehtiniemi's example
 
cat << EOF > x
do {
   nothing;
} while (0);
EOF
 
git update-index --add x
 
cat << EOF > x
do
{
   nothing;
}
while (0);
EOF
 
cat << EOF > expect
diff --git a/x b/x
index adf3937..6edc172 100644
--- a/x
+++ b/x
@@ -1,3 +1,5 @@
-do {
+do
+{
    nothing;
-} while (0);
+}
+while (0);
EOF
 
git diff > out
test_expect_success "Ray's example without options" 'git diff expect out'
 
git diff -w > out
test_expect_success "Ray's example with -w" 'git diff expect out'
 
git diff -b > out
test_expect_success "Ray's example with -b" 'git diff expect out'
 
tr 'Q' '\015' << EOF > x
whitespace at beginning
whitespace change
whitespace in the middle
whitespace at end
unchanged line
CR at endQ
EOF
 
git update-index x
 
cat << EOF > x
	whitespace at beginning
whitespace 	 change
white space in the middle
whitespace at end  
unchanged line
CR at end
EOF
 
tr 'Q' '\015' << EOF > expect
diff --git a/x b/x
index d99af23..8b32fb5 100644
--- a/x
+++ b/x
@@ -1,6 +1,6 @@
-whitespace at beginning
-whitespace change
-whitespace in the middle
-whitespace at end
+	whitespace at beginning
+whitespace 	 change
+white space in the middle
+whitespace at end  
 unchanged line
-CR at endQ
+CR at end
EOF
git diff > out
test_expect_success 'another test, without options' 'git diff expect out'
 
cat << EOF > expect
diff --git a/x b/x
index d99af23..8b32fb5 100644
EOF
git diff -w > out
test_expect_success 'another test, with -w' 'git diff expect out'
 
tr 'Q' '\015' << EOF > expect
diff --git a/x b/x
index d99af23..8b32fb5 100644
--- a/x
+++ b/x
@@ -1,6 +1,6 @@
-whitespace at beginning
+	whitespace at beginning
 whitespace change
-whitespace in the middle
+white space in the middle
 whitespace at end
 unchanged line
 CR at endQ
EOF
git diff -b > out
test_expect_success 'another test, with -b' 'git diff expect out'
 
test_expect_success 'check mixed spaces and tabs in indent' '
 
	# This is indented with SP HT SP.
	echo " 	 foo();" > x &&
	git diff --check | grep "Space in indent is followed by a tab"
 
'
 
test_expect_success 'check with no whitespace errors' '
 
	git commit -m "snapshot" &&
	echo "foo();" > x &&
	git diff --check
 
'
 
test_expect_success 'check with trailing whitespace' '
 
	echo "foo(); " > x &&
	! git diff --check
 
'
 
test_expect_success 'check with space before tab in indent' '
 
	# indent has space followed by hard tab
	echo " 	foo();" > x &&
	! git diff --check
 
'
 
test_expect_success '--check and --exit-code are not exclusive' '
 
	git checkout x &&
	git diff --check --exit-code
 
'
 
test_expect_success '--check and --quiet are not exclusive' '
 
	git diff --check --quiet
 
'
 
test_expect_success 'check staged with no whitespace errors' '
 
	echo "foo();" > x &&
	git add x &&
	git diff --cached --check
 
'
 
test_expect_success 'check staged with trailing whitespace' '
 
	echo "foo(); " > x &&
	git add x &&
	! git diff --cached --check
 
'
 
test_expect_success 'check staged with space before tab in indent' '
 
	# indent has space followed by hard tab
	echo " 	foo();" > x &&
	git add x &&
	! git diff --cached --check
 
'
 
test_expect_success 'check with no whitespace errors (diff-index)' '
 
	echo "foo();" > x &&
	git add x &&
	git diff-index --check HEAD
 
'
 
test_expect_success 'check with trailing whitespace (diff-index)' '
 
	echo "foo(); " > x &&
	git add x &&
	! git diff-index --check HEAD
 
'
 
test_expect_success 'check with space before tab in indent (diff-index)' '
 
	# indent has space followed by hard tab
	echo " 	foo();" > x &&
	git add x &&
	! git diff-index --check HEAD
 
'
 
test_expect_success 'check staged with no whitespace errors (diff-index)' '
 
	echo "foo();" > x &&
	git add x &&
	git diff-index --cached --check HEAD
 
'
 
test_expect_success 'check staged with trailing whitespace (diff-index)' '
 
	echo "foo(); " > x &&
	git add x &&
	! git diff-index --cached --check HEAD
 
'
 
test_expect_success 'check staged with space before tab in indent (diff-index)' '
 
	# indent has space followed by hard tab
	echo " 	foo();" > x &&
	git add x &&
	! git diff-index --cached --check HEAD
 
'
 
test_expect_success 'check with no whitespace errors (diff-tree)' '
 
	echo "foo();" > x &&
	git commit -m "new commit" x &&
	git diff-tree --check HEAD^ HEAD
 
'
 
test_expect_success 'check with trailing whitespace (diff-tree)' '
 
	echo "foo(); " > x &&
	git commit -m "another commit" x &&
	! git diff-tree --check HEAD^ HEAD
 
'
 
test_expect_success 'check with space before tab in indent (diff-tree)' '
 
	# indent has space followed by hard tab
	echo " 	foo();" > x &&
	git commit -m "yet another" x &&
	! git diff-tree --check HEAD^ HEAD
 
'
 
test_expect_success 'check trailing whitespace (trailing-space: off)' '
 
	git config core.whitespace "-trailing-space" &&
	echo "foo ();   " > x &&
	git diff --check
 
'
 
test_expect_success 'check trailing whitespace (trailing-space: on)' '
 
	git config core.whitespace "trailing-space" &&
	echo "foo ();   " > x &&
	! git diff --check
 
'
 
test_expect_success 'check space before tab in indent (space-before-tab: off)' '
 
	# indent contains space followed by HT
	git config core.whitespace "-space-before-tab" &&
	echo " 	foo ();" > x &&
	git diff --check
 
'
 
test_expect_success 'check space before tab in indent (space-before-tab: on)' '
 
	# indent contains space followed by HT
	git config core.whitespace "space-before-tab" &&
	echo " 	foo ();   " > x &&
	! git diff --check
 
'
 
test_expect_success 'check spaces as indentation (indent-with-non-tab: off)' '
 
	git config core.whitespace "-indent-with-non-tab"
	echo "                foo ();" > x &&
	git diff --check
 
'
 
test_expect_success 'check spaces as indentation (indent-with-non-tab: on)' '
 
	git config core.whitespace "indent-with-non-tab" &&
	echo "                foo ();" > x &&
	! git diff --check
 
'
 
test_done