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[PATCH 10/20] abbrev tests: test for "git-diff" behavior




The "diff" family of commands does its own parsing for --abbrev in
diff.c, so having dedicated tests for it makes sense.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>
---
 t/t0014-abbrev.sh | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/t/t0014-abbrev.sh b/t/t0014-abbrev.sh
index a66051c040..783807475f 100755
--- a/t/t0014-abbrev.sh
+++ b/t/t0014-abbrev.sh
@@ -213,4 +213,35 @@ do
 	"
 done
 
+for i in $(test_seq 4 40)
+do
+	test_expect_success "diff --no-index --raw core.abbrev=$i and --abbrev=$i" "
+		test_must_fail git -c core.abbrev=$i diff --no-index --raw X Y >diff &&
+		cut_tr_d_n_field_n 3 <diff >diff.3 &&
+		test_byte_count = $i diff.3 &&
+		cut_tr_d_n_field_n 4 <diff >diff.4 &&
+		test_byte_count = $i diff.4 &&
+
+		test_must_fail git diff --no-index --raw --abbrev=$i X Y >diff &&
+		cut_tr_d_n_field_n 3 <diff >diff.3 &&
+		test_byte_count = $i diff.3 &&
+		cut_tr_d_n_field_n 4 <diff >diff.4 &&
+		test_byte_count = $i diff.4
+	"
+
+	test_expect_success "diff --raw core.abbrev=$i and --abbrev=$i" "
+		git -c core.abbrev=$i diff --raw HEAD~ >diff &&
+		cut_tr_d_n_field_n 3 <diff >diff.3 &&
+		test_byte_count = $i diff.3 &&
+		cut_tr_d_n_field_n 4 <diff >diff.4 &&
+		test_byte_count = $i diff.4 &&
+
+		git diff --raw --abbrev=$i HEAD~ >diff &&
+		cut_tr_d_n_field_n 3 <diff >diff.3 &&
+		test_byte_count = $i diff.3 &&
+		cut_tr_d_n_field_n 4 <diff >diff.4 &&
+		test_byte_count = $i diff.4
+	"
+done
+
 test_done
-- 
2.17.0.290.gded63e768a