--- /dev/null
+#!/bin/sh
+#
+# Copyright (c) 2012 Zbigniew Jędrzejewski-Szmek
+#
+
+test_description='test --stat output of various commands'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-terminal.sh
+
+# 120 character name
+name=aaaaaaaaaa
+name=$name$name$name$name$name$name$name$name$name$name$name$name
+test_expect_success 'preparation' '
+ >"$name" &&
+ git add "$name" &&
+ git commit -m message &&
+ echo a >"$name" &&
+ git commit -m message "$name"
+'
+
+while read cmd args
+do
+ cat >expect <<-'EOF'
+ ...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1 +
+ EOF
+ test_expect_success "$cmd: a short graph bar does not extend to the full width" '
+ git $cmd $args >output &&
+ grep " | " output >actual &&
+ test_cmp expect actual
+ '
+
+ cat >expect <<-'EOF'
+ ...aaaaaaaaaaaaaaaaaaaaaa | 1 +
+ EOF
+ test_expect_success "$cmd --stat=width: name is chopped to leave room to the right of a short bar" '
+ git $cmd $args --stat=40 >output &&
+ grep " | " output >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "$cmd --stat-width=width with long name" '
+ git $cmd $args --stat-width=40 >output &&
+ grep " | " output >actual &&
+ test_cmp expect actual
+ '
+
+ cat >expect <<-'EOF'
+ ...aaaaaaaaaaaaaaaaaaaaaaaaaaa | 1 +
+ EOF
+ test_expect_success "$cmd --stat=...,name-width with long name" '
+ git $cmd $args --stat=60,30 >output &&
+ grep " | " output >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "$cmd --stat-name-width with long name" '
+ git $cmd $args --stat-name-width=30 >output &&
+ grep " | " output >actual &&
+ test_cmp expect actual
+ '
+done <<\EOF
+format-patch -1 --stdout
+diff HEAD^ HEAD --stat
+show --stat
+log -1 --stat
+EOF
+
+
+test_expect_success 'preparation for big change tests' '
+ >abcd &&
+ git add abcd &&
+ git commit -m message &&
+ i=0 &&
+ while test $i -lt 1000
+ do
+ echo $i && i=$(($i + 1))
+ done >abcd &&
+ git commit -m message abcd
+'
+
+cat >expect80 <<'EOF'
+ abcd | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+EOF
+
+while read verb expect cmd args
+do
+ test_expect_success "$cmd $verb COLUMNS (big change)" '
+ COLUMNS=200 git $cmd $args >output
+ grep " | " output >actual &&
+ test_cmp "$expect" actual
+ '
+done <<\EOF
+ignores expect80 format-patch -1 --stdout
+ignores expect80 diff HEAD^ HEAD --stat
+ignores expect80 show --stat
+ignores expect80 log -1 --stat
+EOF
+
+cat >expect <<'EOF'
+ abcd | 1000 ++++++++++++++++++++++++++
+EOF
+while read cmd args
+do
+ test_expect_success "$cmd --stat=width with big change" '
+ git $cmd $args --stat=40 >output
+ grep " | " output >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "$cmd --stat-width=width with big change" '
+ git $cmd $args --stat-width=40 >output
+ grep " | " output >actual &&
+ test_cmp expect actual
+ '
+done <<\EOF
+format-patch -1 --stdout
+diff HEAD^ HEAD --stat
+show --stat
+log -1 --stat
+EOF
+
+test_expect_success 'preparation for long filename tests' '
+ cp abcd aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
+ git add aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
+ git commit -m message
+'
+
+cat >expect <<'EOF'
+ ...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 +++++
+EOF
+while read cmd args
+do
+ test_expect_success "$cmd --stat=width with big change and long name favors name part" '
+ git $cmd $args --stat-width=60 >output &&
+ grep " | " output >actual &&
+ test_cmp expect actual
+ '
+done <<\EOF
+format-patch -1 --stdout
+diff HEAD^ HEAD --stat
+show --stat
+log -1 --stat
+EOF
+
+cat >expect80 <<'EOF'
+ ...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 ++++++++++++++++++++
+EOF
+while read verb expect cmd args
+do
+ test_expect_success "$cmd $verb COLUMNS (long filename)" '
+ COLUMNS=200 git $cmd $args >output
+ grep " | " output >actual &&
+ test_cmp "$expect" actual
+ '
+done <<\EOF
+ignores expect80 format-patch -1 --stdout
+ignores expect80 diff HEAD^ HEAD --stat
+ignores expect80 show --stat
+ignores expect80 log -1 --stat
+EOF
+
+cat >expect <<'EOF'
+ abcd | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+EOF
+test_expect_success 'merge --stat ignores COLUMNS (big change)' '
+ git checkout -b branch HEAD^^ &&
+ COLUMNS=100 git merge --stat --no-ff master^ >output &&
+ grep " | " output >actual
+ test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+ ...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 ++++++++++++++++++++
+EOF
+test_expect_success 'merge --stat ignores COLUMNS (long filename)' '
+ COLUMNS=100 git merge --stat --no-ff master >output &&
+ grep " | " output >actual
+ test_cmp expect actual
+'
+
+test_done