Use the modern syntax of git-diff-files in t2002-checkout-cache-u.sh

diff --git a/t/t2200-add-update.sh b/t/t2200-add-update.sh
index 61d08bb431ca18d6223e944cd4ca43fba6c1d332..b664341926071a3286ba949dc09b5e62b280e79a 100755 (executable)
--- a/t/t2200-add-update.sh
+++ b/t/t2200-add-update.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-test_description='git add -u with path limiting
+test_description='git add -u
 
 This test creates a working tree state with three files:
 
@@ -9,18 +9,22 @@ This test creates a working tree state with three files:
   dir/other (untracked)
 
 and issues a git add -u with path limiting on "dir" to add
-only the updates to dir/sub.'
+only the updates to dir/sub.
+
+Also tested are "git add -u" without limiting, and "git add -u"
+without contents changes.'
 
 . ./test-lib.sh
 
 test_expect_success setup '
        echo initial >check &&
        echo initial >top &&
+       echo initial >foo &&
        mkdir dir1 dir2 &&
        echo initial >dir1/sub1 &&
        echo initial >dir1/sub2 &&
        echo initial >dir2/sub3 &&
-       git add check dir1 dir2 top &&
+       git add check dir1 dir2 top foo &&
        test_tick
        git-commit -m initial &&
 
@@ -58,7 +62,7 @@ test_expect_success 'cache tree has not been corrupted' '
        sed -e "s/ 0    /       /" >expect &&
        git ls-tree -r $(git write-tree) |
        sed -e "s/ blob / /" >current &&
-       diff -u expect current
+       test_cmp expect current
 
 '
 
@@ -76,4 +80,35 @@ test_expect_success 'change gets noticed' '
 
 '
 
+test_expect_success 'replace a file with a symlink' '
+
+       rm foo &&
+       ln -s top foo &&
+       git add -u -- foo
+
+'
+
+test_expect_success 'add everything changed' '
+
+       git add -u &&
+       test -z "$(git diff-files)"
+
+'
+
+test_expect_success 'touch and then add -u' '
+
+       touch check &&
+       git add -u &&
+       test -z "$(git diff-files)"
+
+'
+
+test_expect_success 'touch and then add explicitly' '
+
+       touch check &&
+       git add check &&
+       test -z "$(git diff-files)"
+
+'
+
 test_done