assertEquals(-1L, count);
    }

    @Test
    public void test_getAliasCount_returnsZeroOnError() {
        // The real getAliasCount returns 0 on error; our test double tracks this
        testClient.aliasCountError = true;
        final int count = testClient.getAliasCount("nonexistent_index");
        assertEquals(0, count);
    }

    // ==========================================================================

     *
     * @param indexName the name of the index
     * @return the number of aliases, or 0 if none found or an error occurred
     */
    public int getAliasCount(final String indexName) {
        try (CurlResponse response =
                ComponentUtil.getCurlHelper().get("/_cat/aliases").param("format", "json").param("h", "alias,index").execute()) {