searchRenderData.setExecTime("");
        assertEquals("", searchRenderData.getExecTime());

        // Test with formatted time string
        searchRenderData.setExecTime("0.123 sec");
        assertEquals("0.123 sec", searchRenderData.getExecTime());
    }

    @Test
    public void test_setAndGetPageSize() {
        // Test with zero
        searchRenderData.setPageSize(0);