if pos != -1 {
				t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
			}
		}
	}
}

// test a small index across all page offsets
func TestIndexByteSmall(t *testing.T) {
	b := make([]byte, 5015) // bigger than a page
	// Make sure we find the correct byte even when straddling a page.
	for i := 0; i <= len(b)-15; i++ {
		for j := 0; j < 15; j++ {
			b[i+j] = byte(100 + j)
		}
		for j := 0; j < 15; j++ {

				"application/vnd.nokia.landmark+wbxml",
				"application/vnd.nokia.landmark+xml",
				"application/vnd.nokia.landmarkcollection+xml",
				"application/vnd.nokia.n-gage.ac+xml",
				"application/vnd.nokia.n-gage.data",
				"application/vnd.nokia.n-gage.symbian.install",
				"application/vnd.nokia.ncd",
				"application/vnd.nokia.pcd+wbxml",
				"application/vnd.nokia.pcd+xml",
				"application/vnd.nokia.radio-preset",