| use js_sys::*; |
| use wasm_bindgen::JsCast; |
| use wasm_bindgen::JsValue; |
| use wasm_bindgen_test::*; |
| |
| #[wasm_bindgen_test] |
| fn test() { |
| let bytes = Int8Array::new(&JsValue::from(10)); |
| |
| // TODO: figure out how to do `bytes[2] = 2` |
| bytes.subarray(2, 3).fill(2, 0, 1); |
| |
| let v = DataView::new(&bytes.buffer(), 2, 8); |
| assert_eq!(v.byte_offset(), 2); |
| assert_eq!(v.byte_length(), 8); |
| assert_eq!(v.get_int8(0), 2); |
| assert_eq!(v.get_uint8(0), 2); |
| |
| v.set_int8(0, 42); |
| assert_eq!(v.get_int8(0), 42); |
| v.set_uint8(0, 255); |
| assert_eq!(v.get_uint8(0), 255); |
| |
| v.set_int16(0, 32767); |
| assert_eq!(v.get_int16(0), 32767); |
| v.set_int16_endian(0, 0x1122, true); |
| assert_eq!(v.get_int16_endian(0, true), 0x1122); |
| assert_eq!(v.get_int16_endian(0, false), 0x2211); |
| v.set_uint16(0, 65535); |
| assert_eq!(v.get_uint16(0), 65535); |
| v.set_uint16_endian(0, 0x1122, true); |
| assert_eq!(v.get_uint16_endian(0, true), 0x1122); |
| assert_eq!(v.get_uint16_endian(0, false), 0x2211); |
| |
| v.set_int32(0, 123456789); |
| assert_eq!(v.get_int32(0), 123456789); |
| v.set_int32_endian(0, 0x11223344, true); |
| assert_eq!(v.get_int32_endian(0, true), 0x11223344); |
| assert_eq!(v.get_int32_endian(0, false), 0x44332211); |
| v.set_uint32(0, 3_123_456_789); |
| assert_eq!(v.get_uint32(0), 3_123_456_789); |
| v.set_uint32_endian(0, 0x11223344, true); |
| assert_eq!(v.get_uint32_endian(0, true), 0x11223344); |
| assert_eq!(v.get_uint32_endian(0, false), 0x44332211); |
| |
| v.set_float32(0, 100.123); |
| assert_eq!(v.get_float32(0), 100.123); |
| v.set_float32_endian(0, f32::from_bits(0x11223344), true); |
| assert_eq!(v.get_float32_endian(0, true), f32::from_bits(0x11223344)); |
| assert_eq!(v.get_float32_endian(0, false), f32::from_bits(0x44332211)); |
| |
| v.set_float64(0, 123456789.123456); |
| assert_eq!(v.get_float64(0), 123456789.123456); |
| v.set_float64_endian(0, f64::from_bits(0x1122334411223344), true); |
| assert_eq!( |
| v.get_float64_endian(0, true), |
| f64::from_bits(0x1122334411223344) |
| ); |
| assert_eq!( |
| v.get_float64_endian(0, false), |
| f64::from_bits(0x4433221144332211) |
| ); |
| |
| v.set_int8(0, 42); |
| |
| // TODO: figure out how to do `bytes[2]` |
| bytes |
| .subarray(2, 3) |
| .for_each(&mut |x, _, _| assert_eq!(x, 42)); |
| } |
| |
| #[wasm_bindgen_test] |
| fn dataview_inheritance() { |
| let bytes = Int8Array::new(&JsValue::from(10)); |
| |
| // TODO: figure out how to do `bytes[2] = 2` |
| bytes.subarray(2, 3).fill(2, 0, 1); |
| |
| let v = DataView::new(&bytes.buffer(), 2, 8); |
| |
| assert!(v.is_instance_of::<DataView>()); |
| assert!(v.is_instance_of::<Object>()); |
| let _: &Object = v.as_ref(); |
| } |