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-rw-r--r--sha1-lookup.c2
-rwxr-xr-xt/t0064-sha1-array.sh20
2 files changed, 20 insertions, 2 deletions
diff --git a/sha1-lookup.c b/sha1-lookup.c
index 2dd8515..5f06921 100644
--- a/sha1-lookup.c
+++ b/sha1-lookup.c
@@ -84,8 +84,6 @@ int sha1_pos(const unsigned char *sha1, void *table, size_t nr,
die("BUG: assertion failed in binary search");
}
}
- if (18 <= ofs)
- die("cannot happen -- lo and hi are identical");
}
do {
diff --git a/t/t0064-sha1-array.sh b/t/t0064-sha1-array.sh
index 0654965..50b31ff 100755
--- a/t/t0064-sha1-array.sh
+++ b/t/t0064-sha1-array.sh
@@ -71,4 +71,24 @@ test_expect_success 'lookup non-existing entry with duplicates' '
test "$n" -lt 0
'
+test_expect_success 'lookup with almost duplicate values' '
+ {
+ echo "append 5555555555555555555555555555555555555555" &&
+ echo "append 555555555555555555555555555555555555555f" &&
+ echo20 lookup 55
+ } | test-sha1-array >actual &&
+ n=$(cat actual) &&
+ test "$n" -eq 0
+'
+
+test_expect_success 'lookup with single duplicate value' '
+ {
+ echo20 append 55 55 &&
+ echo20 lookup 55
+ } | test-sha1-array >actual &&
+ n=$(cat actual) &&
+ test "$n" -ge 0 &&
+ test "$n" -le 1
+'
+
test_done