From: Gabriel Ivăncescu gabrielopcode@gmail.com
Signed-off-by: Gabriel Ivăncescu gabrielopcode@gmail.com --- dlls/jscript/arraybuf.c | 34 ++++++++++++++++++++++-- dlls/mshtml/tests/es5.js | 57 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+), 2 deletions(-)
diff --git a/dlls/jscript/arraybuf.c b/dlls/jscript/arraybuf.c index 8d152db801a..494b9e651f6 100644 --- a/dlls/jscript/arraybuf.c +++ b/dlls/jscript/arraybuf.c @@ -966,8 +966,38 @@ static HRESULT TypedArrayConstr_value(script_ctx_t *ctx, jsval_t vthis, WORD fla 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 3d0cdfb72c5..da3fd12b227 100644 --- a/dlls/mshtml/tests/es5.js +++ b/dlls/mshtml/tests/es5.js @@ -2068,6 +2068,7 @@ 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 { eval("new " + arrType + "(-1)"); ok(false, "new " + arrType + "(-1) did not throw exception"); @@ -2075,6 +2076,27 @@ sync_test("ArrayBuffers & Views", function() { var n = ex.number >>> 0; ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + arrType + "(-1) threw " + n); } + try { + eval("new " + arrType + "(buf, -1)"); + ok(false, "new " + arrType + "(buf, -1) did not throw exception"); + }catch(ex) { + var n = ex.number >>> 0; + ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + arrType + "(buf, -1) threw " + n); + } + try { + eval("new " + arrType + "(buf, 36)"); + ok(false, "new " + arrType + "(buf, 36) did not throw exception"); + }catch(ex) { + var n = ex.number >>> 0; + ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + arrType + "(buf, 36) threw " + n); + } + try { + eval("new " + arrType + "(buf, 32, 4)"); + ok(false, "new " + arrType + "(buf, 32, 4) did not throw exception"); + }catch(ex) { + var n = ex.number >>> 0; + ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + arrType + "(buf, 32, 4) threw " + n); + } try { eval("new " + arrType + "('9')"); ok(false, "new " + arrType + "('9') did not throw exception"); @@ -2089,6 +2111,26 @@ sync_test("ArrayBuffers & Views", function() { var n = ex.number >>> 0; ok(n === JS_E_TYPEDARRAY_BAD_CTOR_ARG, "new " + arrType + "(null) threw " + n); } + if(typeSz > 1) { + /* test misalignment */ + var a = typeSz >>> 1; + try { + eval("new " + arrType + "(buf, a, 1)"); + ok(false, "new " + arrType + "(buf, " + a + ", 1) did not throw exception"); + }catch(ex) { + var n = ex.number >>> 0; + ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + arrType + "(buf, " + a + ", 1) threw " + n); + } + a += typeSz; + var b = new ArrayBuffer(a); + try { + eval("new " + arrType + "(b)"); + ok(false, "new " + arrType + "(new ArrayBuffer(" + a + ")) did not throw exception"); + }catch(ex) { + var n = ex.number >>> 0; + ok(n === JS_E_TYPEDARRAY_INVALID_OFFSLEN, "new " + arrType + "(new ArrayBuffer(" + a + ")) threw " + n); + } + }
arr = eval("new " + arrType + "()"); ok(arr.byteLength === 0, arrType + "().byteLength = " + arr.byteLength); @@ -2184,6 +2226,21 @@ sync_test("ArrayBuffers & Views", function() { arr = eval(arrType + ".prototype"); delete arr[-1]; delete arr.foo; + + name = arrType + "(buf, " + typeSz + ", 2)"; + arr = eval(name); + 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); + ok(Object.isFrozen(arr) === true, name + " not frozen"); }
arr = new Int16Array(2);