git-add --all: tests

And here is a small test script that makes sure that:

 - both modified and new files are included,
 - removed file is noticed, and
 - no ignored file is included.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t2202-add-addremove.sh b/t/t2202-add-addremove.sh
new file mode 100755 (executable)
index 0000000..6a81510
--- /dev/null
+++ b/t/t2202-add-addremove.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+test_description='git add --all'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+       (
+               echo .gitignore
+               echo will-remove
+       ) >expect &&
+       (
+               echo actual
+               echo expect
+               echo ignored
+       ) >.gitignore &&
+       >will-remove &&
+       git add --all &&
+       test_tick &&
+       git commit -m initial &&
+       git ls-files >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'git add --all' '
+       (
+               echo .gitignore
+               echo not-ignored
+               echo "M .gitignore"
+               echo "A not-ignored"
+               echo "D will-remove"
+       ) >expect &&
+       >ignored &&
+       >not-ignored &&
+       echo modification >>.gitignore &&
+       rm -f will-remove &&
+       git add --all &&
+       git update-index --refresh &&
+       git ls-files >actual &&
+       git diff-index --name-status --cached HEAD >>actual &&
+       test_cmp expect actual
+'
+
+test_done