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jscript: Implement DataView getters.
Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
This commit is contained in:
Gabriel Ivăncescu
Alexandre Julliard
parent
556e3349ab
commit
aa2bd097d6
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@ -236,6 +236,45 @@ static inline void copy_type_data(void *dst, const void *src, unsigned type_size
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out[i] = in[type_size - i - 1];
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}
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static HRESULT get_data(script_ctx_t *ctx, jsval_t vthis, unsigned argc, jsval_t *argv, unsigned type_size, void *ret)
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{
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BOOL little_endian = FALSE;
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DataViewInstance *view;
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HRESULT hres;
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DWORD offset;
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BYTE *data;
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double n;
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if(!(view = dataview_this(vthis)))
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return JS_E_NOT_DATAVIEW;
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if(!argc || is_undefined(argv[0]))
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return JS_E_DATAVIEW_NO_ARGUMENT;
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hres = to_integer(ctx, argv[0], &n);
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if(FAILED(hres))
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return hres;
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if(n < 0.0 || n + type_size > view->size)
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return JS_E_DATAVIEW_INVALID_ACCESS;
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offset = n;
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data = &view->buffer->buf[view->offset + offset];
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if(type_size == 1) {
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*(BYTE*)ret = data[0];
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return S_OK;
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}
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if(argc > 1) {
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hres = to_boolean(argv[1], &little_endian);
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if(FAILED(hres))
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return hres;
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}
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copy_type_data(ret, data, type_size, little_endian);
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return S_OK;
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}
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static HRESULT set_data(script_ctx_t *ctx, jsval_t vthis, unsigned argc, jsval_t *argv, unsigned type_size, const void *val)
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{
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BOOL little_endian = FALSE;
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@ -275,6 +314,118 @@ static HRESULT set_data(script_ctx_t *ctx, jsval_t vthis, unsigned argc, jsval_t
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return S_OK;
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}
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static HRESULT DataView_getFloat32(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
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{
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HRESULT hres;
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float v;
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TRACE("\n");
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hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
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if(FAILED(hres))
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return hres;
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if(r) *r = jsval_number(v);
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return S_OK;
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}
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static HRESULT DataView_getFloat64(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
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{
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HRESULT hres;
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double v;
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TRACE("\n");
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hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
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if(FAILED(hres))
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return hres;
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if(r) *r = jsval_number(v);
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return S_OK;
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}
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static HRESULT DataView_getInt8(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
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{
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HRESULT hres;
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INT8 v;
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TRACE("\n");
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hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
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if(FAILED(hres))
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return hres;
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if(r) *r = jsval_number(v);
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return S_OK;
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}
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static HRESULT DataView_getInt16(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
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{
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HRESULT hres;
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INT16 v;
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TRACE("\n");
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hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
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if(FAILED(hres))
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return hres;
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if(r) *r = jsval_number(v);
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return S_OK;
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}
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static HRESULT DataView_getInt32(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
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{
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HRESULT hres;
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INT32 v;
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TRACE("\n");
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hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
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if(FAILED(hres))
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return hres;
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if(r) *r = jsval_number(v);
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return S_OK;
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}
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static HRESULT DataView_getUint8(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
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{
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HRESULT hres;
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UINT8 v;
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TRACE("\n");
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hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
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if(FAILED(hres))
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return hres;
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if(r) *r = jsval_number(v);
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return S_OK;
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}
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static HRESULT DataView_getUint16(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
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{
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HRESULT hres;
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UINT16 v;
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TRACE("\n");
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hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
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if(FAILED(hres))
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return hres;
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if(r) *r = jsval_number(v);
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return S_OK;
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}
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static HRESULT DataView_getUint32(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
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{
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HRESULT hres;
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UINT32 v;
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TRACE("\n");
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hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
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if(FAILED(hres))
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return hres;
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if(r) *r = jsval_number(v);
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return S_OK;
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}
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static HRESULT DataView_setFloat32(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
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{
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HRESULT hres;
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@ -382,6 +533,14 @@ static HRESULT DataView_setInt32(script_ctx_t *ctx, jsval_t vthis, WORD flags, u
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}
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static const builtin_prop_t DataView_props[] = {
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{L"getFloat32", DataView_getFloat32, PROPF_METHOD|1},
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{L"getFloat64", DataView_getFloat64, PROPF_METHOD|1},
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{L"getInt16", DataView_getInt16, PROPF_METHOD|1},
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{L"getInt32", DataView_getInt32, PROPF_METHOD|1},
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{L"getInt8", DataView_getInt8, PROPF_METHOD|1},
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{L"getUint16", DataView_getUint16, PROPF_METHOD|1},
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{L"getUint32", DataView_getUint32, PROPF_METHOD|1},
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{L"getUint8", DataView_getUint8, PROPF_METHOD|1},
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{L"setFloat32", DataView_setFloat32, PROPF_METHOD|1},
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{L"setFloat64", DataView_setFloat64, PROPF_METHOD|1},
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{L"setInt16", DataView_setInt16, PROPF_METHOD|1},
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@ -1751,10 +1751,10 @@ sync_test("ArrayBuffers & Views", function() {
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test_own_props("DataView.prototype", [
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"buffer", "byteLength", "byteOffset",
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"setInt8", "setUint8",
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"setInt16", "setUint16",
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"setInt32", "setUint32",
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"setFloat32", "setFloat64"
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"getInt8", "setInt8", "getUint8", "setUint8",
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"getInt16", "setInt16", "getUint16", "setUint16",
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"getInt32", "setInt32", "getUint32", "setUint32",
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"getFloat32", "setFloat32", "getFloat64", "setFloat64"
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]);
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r = Object.prototype.toString.call(new DataView(buf));
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@ -1869,8 +1869,51 @@ sync_test("ArrayBuffers & Views", function() {
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ok(view.byteLength === 10, "DataView(buf).byteLength = " + view.byteLength);
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ok(view.byteOffset === 0, "DataView(buf).byteOffset = " + view.byteOffset);
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for(i = 0; i < 10; i++) {
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r = view.getInt8(i);
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ok(r === 0, "view byte " + i + " = " + r);
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}
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for(i = 0; i < types.length; i++) {
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var method = "set" + types[i][0], offs = 11 - types[i][1];
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var method = "get" + types[i][0], offs = 11 - types[i][1];
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r = DataView.prototype[method].length;
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ok(r === 1, "DataView.prototype." + method + ".length = " + r);
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try {
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view[method]();
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ok(false, "view." + method + "() did not throw exception");
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}catch(ex) {
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var n = ex.number >>> 0;
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ok(n === JS_E_DATAVIEW_NO_ARGUMENT, "view." + method + "() threw " + n);
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}
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try {
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view[method](-1);
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ok(false, "view." + method + "(-1) did not throw exception");
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}catch(ex) {
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var n = ex.number >>> 0;
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ok(n === JS_E_DATAVIEW_INVALID_ACCESS, "view." + method + "(-1) threw " + n);
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}
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try {
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view[method](offs);
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ok(false, "view." + method + "(" + offs + ") did not throw exception");
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}catch(ex) {
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var n = ex.number >>> 0;
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ok(n === JS_E_DATAVIEW_INVALID_ACCESS, "view." + method + "(" + offs + ") threw " + n);
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}
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try {
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view[method].call(null, 0);
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ok(false, "view." + method + "(0) with null context did not throw exception");
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}catch(ex) {
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var n = ex.number >>> 0;
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ok(n === JS_E_NOT_DATAVIEW, "view." + method + "(0) with null context threw " + n);
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}
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try {
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view[method].call({}, 0);
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ok(false, "view." + method + "(0) with an object context did not throw exception");
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}catch(ex) {
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var n = ex.number >>> 0;
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ok(n === JS_E_NOT_DATAVIEW, "view." + method + "(0) with an object context threw " + n);
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}
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method = "set" + types[i][0];
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r = DataView.prototype[method].length;
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ok(r === 1, "DataView.prototype." + method + ".length = " + r);
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try {
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@ -1919,14 +1962,26 @@ sync_test("ArrayBuffers & Views", function() {
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r = view.setInt8(1, -257);
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ok(r === undefined, "view.setInt8(1, -1) returned " + r);
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r = view.getUint16(0);
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ok(r === 255, "view.getUint16(0) returned " + r);
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r = view.getUint16(0, true);
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ok(r === 65280, "view.getUint16(0, true) returned " + r);
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r = view.setUint32(2, "12345678", true);
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ok(r === undefined, "view.setUint32(2, '12345678', true) returned " + r);
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r = view.getInt32(1);
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ok(r === -11640388, "view.getInt32(1) returned " + r);
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r = view.setInt16(3, 65535, true);
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ok(r === undefined, "view.setInt16(3, 65535) returned " + r);
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r = view.getUint16(3);
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ok(r === 65535, "view.getUint16(3) returned " + r);
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r = view.setUint32(0, -2, true);
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ok(r === undefined, "view.setUint32(0, -2) returned " + r);
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r = view.getInt32(0, true);
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ok(r === -2, "view.getInt32(0) returned " + r);
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r = view.setFloat32(6, 1234.5, true);
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ok(r === undefined, "view.setFloat32(6, 1234.5) returned " + r);
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r = view2.getFloat32(0, true);
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ok(r === 1234.5, "view2.getFloat32(0) returned " + r);
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/* setters differing only in signedness have identical behavior, but they're not the same methods */
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ok(view.setInt8 !== view.setUint8, "setInt8 and setUint8 are the same method");
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