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hashmap: use *_entry APIs for iteration
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1#!/bin/sh
2
3test_description='common tail optimization'
4
5. ./test-lib.sh
6
7z=zzzzzzzz ;# 8
8z="$z$z$z$z$z$z$z$z" ;# 64
9z="$z$z$z$z$z$z$z$z" ;# 512
10z="$z$z$z$z" ;# 2048
11z2047=$(expr "$z" : '.\(.*\)') ; #2047
12
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13x=zzzzzzzzzz ;# 10
14y="$x$x$x$x$x$x$x$x$x$x" ;# 100
15z="$y$y$y$y$y$y$y$y$y$y" ;# 1000
16z1000=$z
17z100=$y
18z10=$x
079fe1da 19
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20zs() {
21 count="$1"
22 while test "$count" -ge 1000
23 do
24 count=$(($count - 1000))
25 printf "%s" $z1000
26 done
27 while test "$count" -ge 100
28 do
29 count=$(($count - 100))
30 printf "%s" $z100
31 done
32 while test "$count" -ge 10
33 do
34 count=$(($count - 10))
35 printf "%s" $z10
36 done
37 while test "$count" -ge 1
38 do
39 count=$(($count - 1))
40 printf "z"
41 done
42}
079fe1da 43
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44zc () {
45 sed -e "/^index/d" \
46 -e "s/$z1000/Q/g" \
47 -e "s/QQQQQQQQQ/Z9000/g" \
48 -e "s/QQQQQQQQ/Z8000/g" \
49 -e "s/QQQQQQQ/Z7000/g" \
50 -e "s/QQQQQQ/Z6000/g" \
51 -e "s/QQQQQ/Z5000/g" \
52 -e "s/QQQQ/Z4000/g" \
53 -e "s/QQQ/Z3000/g" \
54 -e "s/QQ/Z2000/g" \
55 -e "s/Q/Z1000/g" \
56 -e "s/$z100/Q/g" \
57 -e "s/QQQQQQQQQ/Z900/g" \
58 -e "s/QQQQQQQQ/Z800/g" \
59 -e "s/QQQQQQQ/Z700/g" \
60 -e "s/QQQQQQ/Z600/g" \
61 -e "s/QQQQQ/Z500/g" \
62 -e "s/QQQQ/Z400/g" \
63 -e "s/QQQ/Z300/g" \
64 -e "s/QQ/Z200/g" \
65 -e "s/Q/Z100/g" \
66 -e "s/000Z//g" \
67 -e "s/$z10/Q/g" \
68 -e "s/QQQQQQQQQ/Z90/g" \
69 -e "s/QQQQQQQQ/Z80/g" \
70 -e "s/QQQQQQQ/Z70/g" \
71 -e "s/QQQQQQ/Z60/g" \
72 -e "s/QQQQQ/Z50/g" \
73 -e "s/QQQQ/Z40/g" \
74 -e "s/QQQ/Z30/g" \
75 -e "s/QQ/Z20/g" \
76 -e "s/Q/Z10/g" \
77 -e "s/00Z//g" \
78 -e "s/z/Q/g" \
79 -e "s/QQQQQQQQQ/Z9/g" \
80 -e "s/QQQQQQQQ/Z8/g" \
81 -e "s/QQQQQQQ/Z7/g" \
82 -e "s/QQQQQQ/Z6/g" \
83 -e "s/QQQQQ/Z5/g" \
84 -e "s/QQQQ/Z4/g" \
85 -e "s/QQQ/Z3/g" \
86 -e "s/QQ/Z2/g" \
87 -e "s/Q/Z1/g" \
88 -e "s/0Z//g" \
89 ;
90}
079fe1da 91
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92expect_pattern () {
93 cnt="$1"
94 cat <<EOF
95diff --git a/file-a$cnt b/file-a$cnt
96--- a/file-a$cnt
97+++ b/file-a$cnt
079fe1da 98@@ -1 +1 @@
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99-Z${cnt}a
100+Z${cnt}A
101diff --git a/file-b$cnt b/file-b$cnt
102--- a/file-b$cnt
103+++ b/file-b$cnt
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104@@ -1 +1 @@
105-b
106+B
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107diff --git a/file-c$cnt b/file-c$cnt
108--- a/file-c$cnt
109+++ b/file-c$cnt
079fe1da 110@@ -1 +1 @@
885ed372 111-cZ$cnt
079fe1da 112\ No newline at end of file
885ed372 113+CZ$cnt
079fe1da 114\ No newline at end of file
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115diff --git a/file-d$cnt b/file-d$cnt
116--- a/file-d$cnt
117+++ b/file-d$cnt
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118@@ -1 +1 @@
119-d
120+D
121EOF
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122}
123
124sample='1023 1024 1025 2047 4095'
125
126test_expect_success setup '
127
128 for n in $sample
129 do
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130 ( zs $n && echo a ) >file-a$n &&
131 ( echo b && zs $n && echo ) >file-b$n &&
132 ( printf c && zs $n ) >file-c$n &&
133 ( echo d && zs $n ) >file-d$n &&
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134
135 git add file-a$n file-b$n file-c$n file-d$n &&
136
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137 ( zs $n && echo A ) >file-a$n &&
138 ( echo B && zs $n && echo ) >file-b$n &&
139 ( printf C && zs $n ) >file-c$n &&
140 ( echo D && zs $n ) >file-d$n &&
885ed372 141
e6821d09 142 expect_pattern $n || return 1
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143
144 done >expect
145'
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146
147test_expect_success 'diff -U0' '
148
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149 for n in $sample
150 do
151 git diff -U0 file-?$n
152 done | zc >actual &&
82ebb0b6 153 test_cmp expect actual
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154
155'
156
157test_done