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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) 2019-2023 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/TestsInterface.h"
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+#include "../Common/TestsShell.h"
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+#include <RmlUi/Core/Context.h>
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+#include <RmlUi/Core/Element.h>
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+#include <RmlUi/Core/ElementDocument.h>
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+#include <RmlUi/Core/Elements/ElementFormControlTextArea.h>
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+#include <RmlUi/Core/Types.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 ankerl;
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+using namespace Rml;
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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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+ <link type="text/rcss" href="/../Tests/Data/style.rcss"/>
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+ <title>Benchmark Sample</title>
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+ <style>
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+ body {
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+ width: 800px;
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+ height: 600px;
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+ }
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+ textarea {
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+ width: 500px;
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+ height: 300px;
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+ border: 1px #000;
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+ background: #fff;
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+ }
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+ </style>
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+</head>
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+
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+<body>
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+<textarea id="textarea">Hello, World!</textarea>
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+</body>
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+</rml>
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+)";
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+
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+TEST_CASE("WidgetTextInput")
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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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+ 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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+ auto el = rmlui_dynamic_cast<ElementFormControlTextArea*>(document->GetElementById("textarea"));
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+ REQUIRE(el);
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+
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+ auto IncrementTime = [system_interface = TestsShell::GetTestsSystemInterface(), t = 0.0]() mutable {
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+ constexpr double dt = 0.5;
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+ t += dt;
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+ system_interface->SetTime(t);
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+ };
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+ struct TestCase {
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+ String name;
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+ String base;
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+ };
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+ const TestCase test_cases[] = {
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+ {"ascii", "abc"},
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+ {"emoji", "😍🌐😎"},
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+ {"japanese", "こんに"},
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+ };
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+
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+ nanobench::Bench bench;
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+ bench.timeUnit(std::chrono::microseconds(1), "us");
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+ bench.relative(true);
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+ bench.complexityN(1);
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+
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+ SUBCASE("FormatText")
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+ {
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+ bench.title("WidgetTextInput.FormatText");
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+
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+ for (const TestCase& test_case : test_cases)
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+ {
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+ for (int num_character_repeats : {10, 20, 50, 100, 200})
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+ {
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+ String value;
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+ for (int i = 0; i < num_character_repeats; i++)
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+ value += test_case.base;
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+
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+ bench.complexityN(num_character_repeats).epochs(1).epochIterations(num_character_repeats >= 100 ? 1 : 0).run(test_case.name, [&] {
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+ el->SetValue(value);
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+ context->Update();
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+ });
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+ }
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+ }
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+ }
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+
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+ SUBCASE("CalculateCharacterIndex")
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+ {
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+ bench.title("WidgetTextInput.CalculateCharacterIndex");
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+
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+ el->SetWordWrap(false);
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+ context->Update();
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+
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+ for (const TestCase& test_case : test_cases)
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+ {
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+ for (int num_character_repeats : {20, 50, 100, 200, 500})
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+ {
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+ String value;
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+ for (int i = 0; i < num_character_repeats; i++)
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+ value += test_case.base;
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+
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+ el->SetValue(value);
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+ el->Focus();
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+ context->ProcessKeyDown(Input::KI_END, 0);
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+ context->ProcessKeyUp(Input::KI_END, 0);
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+ context->Update();
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+
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+ bench.complexityN(num_character_repeats).epochs(1).epochIterations(num_character_repeats >= 100 ? 1 : 0).run(test_case.name, [&] {
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+ context->ProcessMouseMove(250, 50, 0);
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+ context->ProcessMouseButtonDown(0, 0);
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+ context->ProcessMouseMove(350, 50, 0);
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+ context->ProcessMouseButtonUp(0, 0);
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+ IncrementTime();
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+ context->Update();
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+ });
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+
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+ // Sanity check that the above produces a selection as intended.
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+ int selection_start = 0, selection_end = 0;
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+ el->GetSelection(&selection_start, &selection_end, nullptr);
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+ REQUIRE(selection_end - selection_start > 0);
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+ }
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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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Michael Ragazzon