Add basic use cases and corner cases tests for
"git diff -M --summary/stat".

Signed-off-by: Antoine Pelisse <apeli...@gmail.com>
---
 t/t4056-rename-pretty.sh |   54 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100755 t/t4056-rename-pretty.sh

diff --git a/t/t4056-rename-pretty.sh b/t/t4056-rename-pretty.sh
new file mode 100755
index 0000000..806046f
--- /dev/null
+++ b/t/t4056-rename-pretty.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+test_description='Rename pretty print
+
+'
+
+. ./test-lib.sh
+
+test_expect_success nothing_common '
+       mkdir -p a/b/ &&
+       : >a/b/c &&
+       git add a/b/c &&
+       git commit -m. &&
+       mkdir -p c/b/ &&
+       git mv a/b/c c/b/a &&
+       git commit -m. &&
+       git show -M --summary >output &&
+       test_i18ngrep "a/b/c => c/b/a" output
+'
+
+test_expect_success common_prefix '
+       mkdir -p c/d &&
+       git mv c/b/a c/d/e &&
+       git commit -m. &&
+       git show -M --summary >output &&
+       test_i18ngrep "c/{b/a => d/e}" output
+'
+
+test_expect_success common_suffix '
+       mkdir d &&
+       git mv c/d/e d/e &&
+       git commit -m. &&
+       git show -M --summary >output &&
+       test_i18ngrep "{c/d => d}/e" output
+'
+
+test_expect_success common_suffix_prefix '
+       mkdir d/f &&
+       git mv d/e d/f/e &&
+       git commit -m. &&
+       git show -M --summary >output &&
+       test_i18ngrep "d/{ => f}/e" output
+'
+
+test_expect_success common_overlap '
+       mkdir d/f/f &&
+       git mv d/f/e d/f/f/e &&
+       git commit -m. &&
+       git show -M --summary >output &&
+       test_i18ngrep "d/f/{ => f}/e" output
+'
+
+
+test_done
-- 
1.7.9.5

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