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157 lines
2.7 KiB
157 lines
2.7 KiB
#!/bin/sh |
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test_description='common tail optimization' |
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. ./test-lib.sh |
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z=zzzzzzzz ;# 8 |
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z="$z$z$z$z$z$z$z$z" ;# 64 |
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z="$z$z$z$z$z$z$z$z" ;# 512 |
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z="$z$z$z$z" ;# 2048 |
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z2047=$(expr "$z" : '.\(.*\)') ; #2047 |
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x=zzzzzzzzzz ;# 10 |
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y="$x$x$x$x$x$x$x$x$x$x" ;# 100 |
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z="$y$y$y$y$y$y$y$y$y$y" ;# 1000 |
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z1000=$z |
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z100=$y |
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z10=$x |
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zs() { |
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count="$1" |
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while test "$count" -ge 1000 |
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do |
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count=$(($count - 1000)) |
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printf "%s" $z1000 |
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done |
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while test "$count" -ge 100 |
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do |
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count=$(($count - 100)) |
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printf "%s" $z100 |
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done |
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while test "$count" -ge 10 |
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do |
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count=$(($count - 10)) |
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printf "%s" $z10 |
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done |
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while test "$count" -ge 1 |
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do |
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count=$(($count - 1)) |
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printf "z" |
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done |
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} |
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zc () { |
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sed -e "/^index/d" \ |
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-e "s/$z1000/Q/g" \ |
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-e "s/QQQQQQQQQ/Z9000/g" \ |
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-e "s/QQQQQQQQ/Z8000/g" \ |
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-e "s/QQQQQQQ/Z7000/g" \ |
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-e "s/QQQQQQ/Z6000/g" \ |
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-e "s/QQQQQ/Z5000/g" \ |
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-e "s/QQQQ/Z4000/g" \ |
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-e "s/QQQ/Z3000/g" \ |
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-e "s/QQ/Z2000/g" \ |
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-e "s/Q/Z1000/g" \ |
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-e "s/$z100/Q/g" \ |
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-e "s/QQQQQQQQQ/Z900/g" \ |
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-e "s/QQQQQQQQ/Z800/g" \ |
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-e "s/QQQQQQQ/Z700/g" \ |
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-e "s/QQQQQQ/Z600/g" \ |
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-e "s/QQQQQ/Z500/g" \ |
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-e "s/QQQQ/Z400/g" \ |
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-e "s/QQQ/Z300/g" \ |
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-e "s/QQ/Z200/g" \ |
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-e "s/Q/Z100/g" \ |
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-e "s/000Z//g" \ |
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-e "s/$z10/Q/g" \ |
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-e "s/QQQQQQQQQ/Z90/g" \ |
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-e "s/QQQQQQQQ/Z80/g" \ |
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-e "s/QQQQQQQ/Z70/g" \ |
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-e "s/QQQQQQ/Z60/g" \ |
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-e "s/QQQQQ/Z50/g" \ |
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-e "s/QQQQ/Z40/g" \ |
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-e "s/QQQ/Z30/g" \ |
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-e "s/QQ/Z20/g" \ |
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-e "s/Q/Z10/g" \ |
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-e "s/00Z//g" \ |
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-e "s/z/Q/g" \ |
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-e "s/QQQQQQQQQ/Z9/g" \ |
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-e "s/QQQQQQQQ/Z8/g" \ |
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-e "s/QQQQQQQ/Z7/g" \ |
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-e "s/QQQQQQ/Z6/g" \ |
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-e "s/QQQQQ/Z5/g" \ |
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-e "s/QQQQ/Z4/g" \ |
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-e "s/QQQ/Z3/g" \ |
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-e "s/QQ/Z2/g" \ |
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-e "s/Q/Z1/g" \ |
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-e "s/0Z//g" \ |
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; |
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} |
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expect_pattern () { |
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cnt="$1" |
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cat <<EOF |
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diff --git a/file-a$cnt b/file-a$cnt |
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--- a/file-a$cnt |
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+++ b/file-a$cnt |
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@@ -1 +1 @@ |
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-Z${cnt}a |
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+Z${cnt}A |
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diff --git a/file-b$cnt b/file-b$cnt |
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--- a/file-b$cnt |
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+++ b/file-b$cnt |
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@@ -1 +1 @@ |
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-b |
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+B |
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diff --git a/file-c$cnt b/file-c$cnt |
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--- a/file-c$cnt |
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+++ b/file-c$cnt |
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@@ -1 +1 @@ |
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-cZ$cnt |
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\ No newline at end of file |
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+CZ$cnt |
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\ No newline at end of file |
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diff --git a/file-d$cnt b/file-d$cnt |
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--- a/file-d$cnt |
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+++ b/file-d$cnt |
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@@ -1 +1 @@ |
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-d |
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+D |
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EOF |
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} |
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sample='1023 1024 1025 2047 4095' |
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test_expect_success setup ' |
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for n in $sample |
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do |
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( zs $n ; echo a ) >file-a$n && |
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( echo b; zs $n; echo ) >file-b$n && |
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( printf c; zs $n ) >file-c$n && |
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( echo d; zs $n ) >file-d$n && |
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git add file-a$n file-b$n file-c$n file-d$n && |
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( zs $n ; echo A ) >file-a$n && |
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( echo B; zs $n; echo ) >file-b$n && |
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( printf C; zs $n ) >file-c$n && |
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( echo D; zs $n ) >file-d$n && |
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expect_pattern $n || break |
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done >expect |
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' |
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test_expect_success 'diff -U0' ' |
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for n in $sample |
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do |
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git diff -U0 file-?$n |
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done | zc >actual && |
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test_cmp expect actual |
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' |
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test_done
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