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+/*
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+ * This source file is part of RmlUi, the HTML/CSS Interface Middleware
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+ *
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+ * For the latest information, see http://github.com/mikke89/RmlUi
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+ *
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+ * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
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+ * Copyright (c) 2019 The RmlUi Team, and contributors
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a copy
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+ * of this software and associated documentation files (the "Software"), to deal
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+ * in the Software without restriction, including without limitation the rights
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+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ * copies of the Software, and to permit persons to whom the Software is
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+ * furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+ * THE SOFTWARE.
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+ *
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+ */
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+
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+#include "../Common/TestsShell.h"
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+#include <RmlUi/Core/Context.h>
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+#include <RmlUi/Core/DataModelHandle.h>
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+#include <RmlUi/Core/Element.h>
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+#include <RmlUi/Core/ElementDocument.h>
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+#include <doctest.h>
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+#include <nanobench.h>
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+
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+using namespace Rml;
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+using namespace ankerl;
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+
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+static const String document_rml = R"(
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+<rml>
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+<head>
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+ <title>Test</title>
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+ <link type="text/rcss" href="/assets/rml.rcss"/>
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+ <link type="text/template" href="/assets/window.rml"/>
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+ <style>
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+ body.window
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+ {
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+ left: 50px;
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+ right: 50px;
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+ top: 30px;
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+ bottom: 30px;
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+ max-width: -1px;
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+ max-height: -1px;
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+ }
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+ div#content
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+ {
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+ text-align: left;
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+ padding: 50px;
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+ box-sizing: border-box;
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+ }
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+ </style>
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+</head>
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+
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+<body template="window">
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+<div data-model="basics">
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+<h1>Globals</h1>
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+<p id="i">0</p>
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+
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+<p id="i0">{{ i0 }}</p>
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+<p id="i1">{{ i1 }}</p>
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+<p id="i2">{{ i2 }}</p>
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+<p id="i3">{{ i3 }}</p>
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+
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+<h1>Basic</h1>
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+<p id="b_a">{{ basic.a }}</p>
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+<p id="b_b">{{ basic.b }}</p>
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+<p id="b_c">{{ basic.c.val }}</p>
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+
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+<h1>Arrays</h1>
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+<p id="array"><span>10 </span><span>20 </span><span>30 </span></p>
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+<p><span data-for="arrays.a">{{ it }} </span></p>
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+<p><span data-for="arrays.b">{{ it }} </span></p>
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+<p><span data-for="arrays.c">{{ it.val }} </span></p>
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+<p><span data-for="arrays.d">{{ 'a: ' + it.a + ', b: ' + it.b + ', c: ' + it.c.val + ' :: ' }}</span></p>
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+</div>
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+</body>
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+</rml>
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+)";
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+
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+struct StringWrap {
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+ StringWrap(String val = "wrap_default") : val(val) {}
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+ String val;
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+};
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+
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+struct Globals {
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+ int i0 = 0;
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+ int* i1 = new int(1);
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+ UniquePtr<int> i2 = MakeUnique<int>(2);
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+ SharedPtr<int> i3 = MakeShared<int>(3);
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+} globals;
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+
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+struct Basic {
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+ int a = 1;
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+ int* b = new int(2);
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+ StringWrap* c = new StringWrap("basic.c");
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+};
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+
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+struct Arrays {
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+ Vector<int> a = {10, 11, 12};
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+ Vector<int*> b = {new int(20), new int(21), new int(22)};
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+ Vector<StringWrap> c = {StringWrap("c1"), StringWrap("c2"), StringWrap("c3")};
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+ Vector<Basic> d = {Basic{10}, Basic{20}, Basic{30}};
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+};
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+
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+static UniquePtr<Basic> basic;
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+static UniquePtr<Arrays> arrays;
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+
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+static DataModelHandle InitializeDataBindings(Context* context)
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+{
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+ Rml::DataModelConstructor constructor = context->CreateDataModel("basics");
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+ if (!constructor)
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+ return DataModelHandle();
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+
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+ if (auto handle = constructor.RegisterStruct<StringWrap>())
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+ handle.RegisterMember("val", &StringWrap::val);
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+
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+ constructor.Bind("i0", &globals.i0);
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+ constructor.Bind("i1", &globals.i1);
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+ constructor.Bind("i2", &globals.i2);
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+ constructor.Bind("i3", &globals.i3);
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+
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+ if (auto handle = constructor.RegisterStruct<Basic>())
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+ {
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+ handle.RegisterMember("a", &Basic::a);
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+ handle.RegisterMember("b", &Basic::b);
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+ handle.RegisterMember("c", &Basic::c);
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+ }
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+ basic = MakeUnique<Basic>();
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+ constructor.Bind("basic", basic.get());
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+
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+ constructor.RegisterArray<decltype(Arrays::a)>();
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+ constructor.RegisterArray<decltype(Arrays::b)>();
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+ constructor.RegisterArray<decltype(Arrays::c)>();
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+ constructor.RegisterArray<decltype(Arrays::d)>();
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+
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+ if (auto handle = constructor.RegisterStruct<Arrays>())
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+ {
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+ handle.RegisterMember("a", &Arrays::a);
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+ handle.RegisterMember("b", &Arrays::b);
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+ handle.RegisterMember("c", &Arrays::c);
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+ handle.RegisterMember("d", &Arrays::d);
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+ }
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+ arrays = MakeUnique<Arrays>();
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+ constructor.Bind("arrays", arrays.get());
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+
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+ DataModelHandle model_handle = constructor.GetModelHandle();
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+
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+ return model_handle;
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+}
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+
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+TEST_CASE("data_binding")
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+{
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+ Context* context = TestsShell::GetContext();
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+ REQUIRE(context);
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+
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+ DataModelHandle model_handle = InitializeDataBindings(context);
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+ REQUIRE(model_handle);
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+
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+ model_handle.DirtyAllVariables();
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+
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+ ElementDocument* document = context->LoadDocumentFromMemory(document_rml);
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+ REQUIRE(document);
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+ document->Show();
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+
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+ context->Update();
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+ context->Render();
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+
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+ SUBCASE("dirty")
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+ {
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+ nanobench::Bench bench;
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+ bench.title("Data bindings: Dirty variables");
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+ bench.relative(true);
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+
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+ bench.run("Reference (Update)", [&] { context->Update(); });
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+ bench.run("Dirty one variable", [&] {
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+ model_handle.DirtyVariable("i0");
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+ context->Update();
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+ });
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+ bench.run("Dirty big variable", [&] {
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+ model_handle.DirtyVariable("arrays");
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+ context->Update();
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+ });
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+ bench.run("Dirty all variables", [&] {
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+ model_handle.DirtyAllVariables();
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+ context->Update();
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+ });
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+ }
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+
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+ SUBCASE("update")
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+ {
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+ Element* element_i = document->GetElementById("i");
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+ Element* element_array = document->GetElementById("array");
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+
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+ nanobench::Rng rng;
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+ nanobench::Bench bench;
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+ bench.title("Data bindings: Update");
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+ bench.relative(true);
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+
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+ bench.run("Reference (Integer)", [&] {
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+ element_i->SetInnerRML(Rml::ToString(rng.bounded(1000)));
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+ context->Update();
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+ });
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+
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+ bench.run("Integer", [&] {
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+ globals.i0 = rng.bounded(1000);
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+ model_handle.DirtyVariable("i0");
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+ context->Update();
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+ });
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+
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+ bench.run("Basic", [&] {
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+ basic->a = rng.bounded(2000);
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+ *basic->b = rng.bounded(3000);
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+ basic->c->val = String("abc") + String(5, char('a' + rng.bounded('z' - 'a')));
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+ model_handle.DirtyVariable("basic");
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+ context->Update();
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+ });
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+
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+ bench.run("Reference (Arrays)", [&] {
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+ element_array->SetInnerRML(
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+ Rml::CreateString(128, "<span>%d </span><span>%d </span><span>%d </span>", rng.bounded(5000), rng.bounded(5000), rng.bounded(5000)));
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+ context->Update();
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+ });
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+
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+ bench.run("Arrays", [&] {
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+ for (auto& v : arrays->a)
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+ v = rng.bounded(5000);
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+ model_handle.DirtyVariable("arrays");
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+ context->Update();
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+ });
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+ }
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+
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+ TestsShell::RenderLoop();
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+
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+ document->Close();
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+
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+ TestsShell::ShutdownShell();
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+}
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Michael Ragazzon