gzip: test: Add normal case of counting concatenated gzip payload

Signed-off-by: Hiroshi Hatake <[email protected]>

tests/internal/gzip.c

@@ -40,6 +40,36 @@ void test_compress()
     flb_free(str);
 }
 
+void test_concatenated_gzip_count()
+{
+     int ret;
+    int sample_len;
+    char *in_data = morpheus;
+    size_t in_len;
+    void *str;
+    size_t len;
+    flb_sds_t payload = NULL;
+    flb_sds_t payload2 = NULL;
+    size_t border_count = 0;
+
+    sample_len = strlen(morpheus);
+    in_len = sample_len;
+    ret = flb_gzip_compress(in_data, in_len, &str, &len);
+    TEST_CHECK(ret == 0);
+
+    payload = flb_sds_create_len((char *)str, len);
+    payload2 = flb_sds_create_len((char *)str, len);
+    ret = flb_sds_cat_safe(&payload, payload2, flb_sds_len(payload2));
+    TEST_CHECK(ret == 0);
+
+    border_count = flb_gzip_count(payload, flb_sds_len(payload), NULL, 0);
+    TEST_CHECK(border_count == 1);
+
+    flb_free(str);
+    flb_sds_destroy(payload);
+    flb_sds_destroy(payload2);
+}
+
 void test_not_overflow_for_concatenated_gzip()
 {
     const char data[] = {
@@ -72,6 +102,7 @@ void test_not_overflow_for_concatenated_gzip()
 
 TEST_LIST = {
     {"compress", test_compress},
+    {"count",  test_concatenated_gzip_count},
     {"not_overflow", test_not_overflow_for_concatenated_gzip},
     { 0 }
 };