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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "apz/src/AsyncPanZoomController.h"
#include "mozilla/StaticPrefs_apz.h"
#include "gtest/gtest.h"
using namespace mozilla;
// Tests that display port size is monotonically increased depending on the
// composition size.
TEST(DisplayPortTest, MonotonicIncrease)
{
CSSSize compositionSize(1000, 1000);
CSSToScreenScale2D dPPerCSS = CSSToScreenScale2D(1.0, 1.0);
CSSSize previousDisplayport;
for (int32_t height = 100; height <= 3000; height++) {
compositionSize.height = CSSCoord(height);
CSSSize displayport =
layers::AsyncPanZoomController::CalculateDisplayPortSize(
compositionSize, CSSPoint(),
layers::AsyncPanZoomController::ZoomInProgress::No, dPPerCSS);
if (!previousDisplayport.IsEmpty()) {
EXPECT_GT(displayport.height, previousDisplayport.height);
}
previousDisplayport = displayport;
}
}