From: Gabriel Ivăncescu gabrielopcode@gmail.com
Signed-off-by: Gabriel Ivăncescu gabrielopcode@gmail.com --- dlls/jscript/arraybuf.c | 34 +++++++++++++++++++++-- dlls/mshtml/tests/es5.js | 58 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 90 insertions(+), 2 deletions(-)
diff --git a/dlls/jscript/arraybuf.c b/dlls/jscript/arraybuf.c index 847cabe92b6..2832d5fdad3 100644 --- a/dlls/jscript/arraybuf.c +++ b/dlls/jscript/arraybuf.c @@ -883,8 +883,38 @@ static HRESULT TypedArrayConstr_value(const builtin_info_t *info, script_ctx_t * if(!obj) return JS_E_TYPEDARRAY_BAD_CTOR_ARG;
- FIXME("Construction from object not implemented\n"); - return E_NOTIMPL; + if(obj->builtin_info->class == JSCLASS_ARRAYBUFFER) { + buffer = arraybuf_from_jsdisp(obj); + if(argc > 1) { + hres = to_integer(ctx, argv[1], &n); + if(FAILED(hres)) + return hres; + if(n < 0.0 || n > buffer->size) + return JS_E_TYPEDARRAY_INVALID_OFFSLEN; + offset = n; + if(offset % elem_size) + return JS_E_TYPEDARRAY_INVALID_OFFSLEN; + } + if(argc > 2 && !is_undefined(argv[2])) { + hres = to_integer(ctx, argv[2], &n); + if(FAILED(hres)) + return hres; + if(n < 0.0 || n > UINT_MAX) + return JS_E_TYPEDARRAY_INVALID_OFFSLEN; + length = n; + if(offset + length * elem_size > buffer->size) + return JS_E_TYPEDARRAY_INVALID_OFFSLEN; + }else { + length = buffer->size - offset; + if(length % elem_size) + return JS_E_TYPEDARRAY_INVALID_OFFSLEN; + length /= elem_size; + } + jsdisp_addref(&buffer->dispex); + }else { + FIXME("Construction from object not implemented\n"); + return E_NOTIMPL; + } }else if(is_number(argv[0])) { hres = to_integer(ctx, argv[0], &n); if(FAILED(hres)) diff --git a/dlls/mshtml/tests/es5.js b/dlls/mshtml/tests/es5.js index c929eaae0fa..ebbec939cf8 100644 --- a/dlls/mshtml/tests/es5.js +++ b/dlls/mshtml/tests/es5.js @@ -2119,6 +2119,7 @@ sync_test("ArrayBuffers & Views", function() { test_own_data_prop_desc(r, "length", false, false, false); test_own_data_prop_desc(r, "buffer", false, false, false);
+ buf = ArrayBuffer(34); try { new arrType(-1); ok(false, "new " + name + "(-1) did not throw exception"); @@ -2126,6 +2127,27 @@ sync_test("ArrayBuffers & Views", function() { var n = ex.number >>> 0; ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + name + "(-1) threw " + n); } + try { + new arrType(buf, -1); + ok(false, "new " + name + "(buf, -1) did not throw exception"); + }catch(ex) { + var n = ex.number >>> 0; + ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + name + "(buf, -1) threw " + n); + } + try { + new arrType(buf, 36); + ok(false, "new " + name + "(buf, 36) did not throw exception"); + }catch(ex) { + var n = ex.number >>> 0; + ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + name + "(buf, 36) threw " + n); + } + try { + new arrType(buf, 32, 4); + ok(false, "new " + name + "(buf, 32, 4) did not throw exception"); + }catch(ex) { + var n = ex.number >>> 0; + ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + name + "(buf, 32, 4) threw " + n); + } try { new arrType('9'); ok(false, "new " + name + "('9') did not throw exception"); @@ -2140,6 +2162,26 @@ sync_test("ArrayBuffers & Views", function() { var n = ex.number >>> 0; ok(n === JS_E_TYPEDARRAY_BAD_CTOR_ARG, "new " + name + "(null) threw " + n); } + if(typeSz > 1) { + /* test misalignment */ + var a = typeSz >>> 1; + try { + new arrType(buf, a, 1); + ok(false, "new " + name + "(buf, " + a + ", 1) did not throw exception"); + }catch(ex) { + var n = ex.number >>> 0; + ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + name + "(buf, " + a + ", 1) threw " + n); + } + a += typeSz; + var b = new ArrayBuffer(a); + try { + new arrType(b); + ok(false, "new " + name + "(new ArrayBuffer(" + a + ")) did not throw exception"); + }catch(ex) { + var n = ex.number >>> 0; + ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + name + "(new ArrayBuffer(" + a + ")) threw " + n); + } + }
arr = new arrType(); ok(arr.byteLength === 0, name + "().byteLength = " + arr.byteLength); @@ -2244,6 +2286,22 @@ sync_test("ArrayBuffers & Views", function() { arr = arrType.prototype; delete arr[-1]; delete arr.foo; + + arr = arrType(buf, typeSz, 2); + name = name + "(buf, " + typeSz + ", 2)"; + ok(arr.byteLength === 2 * typeSz, name + ".byteLength = " + arr.byteLength); + ok(arr.byteOffset === typeSz, name + ".byteOffset = " + arr.byteOffset); + ok(arr.length === 2, name + ".length = " + arr.length); + ok(arr.buffer === buf, name + ".buffer = " + arr.buffer); + view = DataView(buf); + view["set" + types[i][0]](typeSz, 10, true); + ok(arr[0] === 10, "arr[0] after DataView(buf).set" + types[i][0] + " = " + arr[0]); + arr[0] = 12; + r = view["get" + types[i][0]](typeSz, true); + ok(r === 12, "DataView(buf).get" + types[i][0] + " after arr[0] set = " + r); + Object.freeze(arr); + todo_wine. + ok(Object.isFrozen(arr) === true, name + " not frozen"); }
arr = new Int16Array(2);