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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/events/keyboard_driven_event_rewriter.h"
#include <stddef.h>
#include <array>
#include <string>
#include "base/compiler_specific.h"
#include "base/strings/stringprintf.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/events/event.h"
#include "ui/events/test/test_event_rewriter_continuation.h"
namespace ash {
class TestEventRewriterContinuation
: public ui::test::TestEventRewriterContinuation {
public:
TestEventRewriterContinuation() = default;
TestEventRewriterContinuation(const TestEventRewriterContinuation&) = delete;
TestEventRewriterContinuation& operator=(
const TestEventRewriterContinuation&) = delete;
~TestEventRewriterContinuation() override = default;
ui::EventDispatchDetails SendEvent(const ui::Event* event) override {
passthrough_event = event->Clone();
return ui::EventDispatchDetails();
}
ui::EventDispatchDetails SendEventFinally(const ui::Event* event) override {
rewritten_event = event->Clone();
return ui::EventDispatchDetails();
}
ui::EventDispatchDetails DiscardEvent() override {
return ui::EventDispatchDetails();
}
std::unique_ptr<ui::Event> passthrough_event;
std::unique_ptr<ui::Event> rewritten_event;
base::WeakPtrFactory<TestEventRewriterContinuation> weak_ptr_factory_{this};
};
class KeyboardDrivenEventRewriterTest : public testing::Test {
public:
KeyboardDrivenEventRewriterTest() = default;
KeyboardDrivenEventRewriterTest(const KeyboardDrivenEventRewriterTest&) =
delete;
KeyboardDrivenEventRewriterTest& operator=(
const KeyboardDrivenEventRewriterTest&) = delete;
~KeyboardDrivenEventRewriterTest() override = default;
protected:
std::string GetRewrittenEventAsString(ui::KeyboardCode ui_keycode,
int ui_flags,
ui::EventType ui_type) {
TestEventRewriterContinuation continuation;
ui::KeyEvent keyevent(ui_type, ui_keycode, ui_flags);
rewriter_.RewriteForTesting(keyevent,
continuation.weak_ptr_factory_.GetWeakPtr());
std::string result = "No event is sent by RewriteEvent.";
if (continuation.passthrough_event) {
result = base::StringPrintf("PassThrough ui_flags=%d",
continuation.passthrough_event->flags());
} else if (continuation.rewritten_event) {
result = base::StringPrintf("Rewritten ui_flags=%d",
continuation.rewritten_event->flags());
}
return result;
}
KeyboardDrivenEventRewriter rewriter_;
};
TEST_F(KeyboardDrivenEventRewriterTest, PassThrough) {
struct TestData {
ui::KeyboardCode ui_keycode;
int ui_flags;
};
constexpr std::array<TestData, 21> kTests = {{
{ui::VKEY_A, ui::EF_NONE},
{ui::VKEY_A, ui::EF_CONTROL_DOWN},
{ui::VKEY_A, ui::EF_ALT_DOWN},
{ui::VKEY_A, ui::EF_SHIFT_DOWN},
{ui::VKEY_A, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN},
{ui::VKEY_A, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN | ui::EF_SHIFT_DOWN},
{ui::VKEY_LEFT, ui::EF_NONE},
{ui::VKEY_LEFT, ui::EF_CONTROL_DOWN},
{ui::VKEY_LEFT, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN},
{ui::VKEY_RIGHT, ui::EF_NONE},
{ui::VKEY_RIGHT, ui::EF_CONTROL_DOWN},
{ui::VKEY_RIGHT, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN},
{ui::VKEY_UP, ui::EF_NONE},
{ui::VKEY_UP, ui::EF_CONTROL_DOWN},
{ui::VKEY_UP, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN},
{ui::VKEY_DOWN, ui::EF_NONE},
{ui::VKEY_DOWN, ui::EF_CONTROL_DOWN},
{ui::VKEY_DOWN, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN},
{ui::VKEY_RETURN, ui::EF_NONE},
{ui::VKEY_RETURN, ui::EF_CONTROL_DOWN},
{ui::VKEY_RETURN, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN},
}};
for (size_t i = 0; i < kTests.size(); ++i) {
EXPECT_EQ(
base::StringPrintf("PassThrough ui_flags=%d", kTests[i].ui_flags),
GetRewrittenEventAsString(kTests[i].ui_keycode, kTests[i].ui_flags,
ui::EventType::kKeyPressed))
<< "Test case " << i;
}
}
TEST_F(KeyboardDrivenEventRewriterTest, Rewrite) {
const int kModifierMask = ui::EF_SHIFT_DOWN;
struct TestCase {
ui::KeyboardCode ui_keycode;
int ui_flags;
};
constexpr std::array<TestCase, 6> kTests{{
{ui::VKEY_LEFT, kModifierMask},
{ui::VKEY_RIGHT, kModifierMask},
{ui::VKEY_UP, kModifierMask},
{ui::VKEY_DOWN, kModifierMask},
{ui::VKEY_RETURN, kModifierMask},
{ui::VKEY_F6, kModifierMask},
}};
for (size_t i = 0; i < kTests.size(); ++i) {
EXPECT_EQ(
"Rewritten ui_flags=0",
GetRewrittenEventAsString(kTests[i].ui_keycode, kTests[i].ui_flags,
ui::EventType::kKeyPressed))
<< "Test case " << i;
}
}
} // namespace ash
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