133 lines
6.6 KiB
C++
133 lines
6.6 KiB
C++
// Copyright (c) Microsoft Corporation.
|
|
// Licensed under the MIT license.
|
|
|
|
#include "precomp.h"
|
|
#include <WexTestClass.h>
|
|
|
|
#include "DefaultSettings.h"
|
|
#include "../cascadia/TerminalCore/Terminal.hpp"
|
|
#include "../renderer/inc/DummyRenderTarget.hpp"
|
|
#include "consoletaeftemplates.hpp"
|
|
|
|
#include "winrt/Microsoft.Terminal.Settings.h"
|
|
|
|
using namespace winrt::Microsoft::Terminal::Settings;
|
|
using namespace Microsoft::Terminal::Core;
|
|
|
|
namespace TerminalCoreUnitTests
|
|
{
|
|
class MockTermSettings : public winrt::implements<MockTermSettings, ICoreSettings>
|
|
{
|
|
public:
|
|
MockTermSettings(int32_t historySize, int32_t initialRows, int32_t initialCols) :
|
|
_historySize(historySize),
|
|
_initialRows(initialRows),
|
|
_initialCols(initialCols)
|
|
{
|
|
}
|
|
|
|
// property getters - all implemented
|
|
int32_t HistorySize() { return _historySize; }
|
|
int32_t InitialRows() { return _initialRows; }
|
|
int32_t InitialCols() { return _initialCols; }
|
|
uint32_t DefaultForeground() { return COLOR_WHITE; }
|
|
uint32_t DefaultBackground() { return COLOR_BLACK; }
|
|
bool SnapOnInput() { return false; }
|
|
uint32_t CursorColor() { return COLOR_WHITE; }
|
|
CursorStyle CursorShape() const noexcept { return CursorStyle::Vintage; }
|
|
uint32_t CursorHeight() { return 42UL; }
|
|
|
|
// other implemented methods
|
|
uint32_t GetColorTableEntry(int32_t) const { return 123; }
|
|
|
|
// property setters - all unimplemented
|
|
void HistorySize(int32_t) {}
|
|
void InitialRows(int32_t) {}
|
|
void InitialCols(int32_t) {}
|
|
void DefaultForeground(uint32_t) {}
|
|
void DefaultBackground(uint32_t) {}
|
|
void SnapOnInput(bool) {}
|
|
void CursorColor(uint32_t) {}
|
|
void CursorShape(CursorStyle const&) noexcept {}
|
|
void CursorHeight(uint32_t) {}
|
|
|
|
// other unimplemented methods
|
|
void SetColorTableEntry(int32_t /* index */, uint32_t /* value */) {}
|
|
|
|
private:
|
|
int32_t _historySize;
|
|
int32_t _initialRows;
|
|
int32_t _initialCols;
|
|
};
|
|
|
|
#define WCS(x) WCSHELPER(x)
|
|
#define WCSHELPER(x) L#x
|
|
|
|
class ScreenSizeLimitsTest
|
|
{
|
|
TEST_CLASS(ScreenSizeLimitsTest);
|
|
|
|
TEST_METHOD(ScreenWidthAndHeightAreClampedToBounds)
|
|
{
|
|
DummyRenderTarget emptyRenderTarget;
|
|
|
|
// Negative values for initial visible row count or column count
|
|
// are clamped to 1. Too-large positive values are clamped to SHRT_MAX.
|
|
auto negativeColumnsSettings = winrt::make<MockTermSettings>(10000, 9999999, -1234);
|
|
Terminal negativeColumnsTerminal;
|
|
negativeColumnsTerminal.CreateFromSettings(negativeColumnsSettings, emptyRenderTarget);
|
|
COORD actualDimensions = negativeColumnsTerminal.GetViewport().Dimensions();
|
|
VERIFY_ARE_EQUAL(actualDimensions.Y, SHRT_MAX, L"Row count clamped to SHRT_MAX == " WCS(SHRT_MAX));
|
|
VERIFY_ARE_EQUAL(actualDimensions.X, 1, L"Column count clamped to 1");
|
|
|
|
// Zero values are clamped to 1 as well.
|
|
auto zeroRowsSettings = winrt::make<MockTermSettings>(10000, 0, 9999999);
|
|
Terminal zeroRowsTerminal;
|
|
zeroRowsTerminal.CreateFromSettings(zeroRowsSettings, emptyRenderTarget);
|
|
actualDimensions = zeroRowsTerminal.GetViewport().Dimensions();
|
|
VERIFY_ARE_EQUAL(actualDimensions.Y, 1, L"Row count clamped to 1");
|
|
VERIFY_ARE_EQUAL(actualDimensions.X, SHRT_MAX, L"Column count clamped to SHRT_MAX == " WCS(SHRT_MAX));
|
|
}
|
|
|
|
TEST_METHOD(ScrollbackHistorySizeIsClampedToBounds)
|
|
{
|
|
// What is actually clamped is the number of rows in the internal history buffer,
|
|
// which is the *sum* of the history size plus the number of rows
|
|
// actually visible on screen at the moment.
|
|
|
|
const unsigned int visibleRowCount = 100;
|
|
DummyRenderTarget emptyRenderTarget;
|
|
|
|
// Zero history size is acceptable.
|
|
auto noHistorySettings = winrt::make<MockTermSettings>(0, visibleRowCount, 100);
|
|
Terminal noHistoryTerminal;
|
|
noHistoryTerminal.CreateFromSettings(noHistorySettings, emptyRenderTarget);
|
|
VERIFY_ARE_EQUAL(noHistoryTerminal.GetTextBuffer().TotalRowCount(), visibleRowCount, L"History size of 0 is accepted");
|
|
|
|
// Negative history sizes are clamped to zero.
|
|
auto negativeHistorySizeSettings = winrt::make<MockTermSettings>(-100, visibleRowCount, 100);
|
|
Terminal negativeHistorySizeTerminal;
|
|
negativeHistorySizeTerminal.CreateFromSettings(negativeHistorySizeSettings, emptyRenderTarget);
|
|
VERIFY_ARE_EQUAL(negativeHistorySizeTerminal.GetTextBuffer().TotalRowCount(), visibleRowCount, L"Negative history size is clamped to 0");
|
|
|
|
// History size + initial visible rows == SHRT_MAX is acceptable.
|
|
auto maxHistorySizeSettings = winrt::make<MockTermSettings>(SHRT_MAX - visibleRowCount, visibleRowCount, 100);
|
|
Terminal maxHistorySizeTerminal;
|
|
maxHistorySizeTerminal.CreateFromSettings(maxHistorySizeSettings, emptyRenderTarget);
|
|
VERIFY_ARE_EQUAL(maxHistorySizeTerminal.GetTextBuffer().TotalRowCount(), static_cast<unsigned int>(SHRT_MAX), L"History size == SHRT_MAX - initial row count is accepted");
|
|
|
|
// History size + initial visible rows == SHRT_MAX + 1 will be clamped slightly.
|
|
auto justTooBigHistorySizeSettings = winrt::make<MockTermSettings>(SHRT_MAX - visibleRowCount + 1, visibleRowCount, 100);
|
|
Terminal justTooBigHistorySizeTerminal;
|
|
justTooBigHistorySizeTerminal.CreateFromSettings(justTooBigHistorySizeSettings, emptyRenderTarget);
|
|
VERIFY_ARE_EQUAL(justTooBigHistorySizeTerminal.GetTextBuffer().TotalRowCount(), static_cast<unsigned int>(SHRT_MAX), L"History size == 1 + SHRT_MAX - initial row count is clamped to SHRT_MAX - initial row count");
|
|
|
|
// Ridiculously large history sizes are also clamped.
|
|
auto farTooBigHistorySizeSettings = winrt::make<MockTermSettings>(99999999, visibleRowCount, 100);
|
|
Terminal farTooBigHistorySizeTerminal;
|
|
farTooBigHistorySizeTerminal.CreateFromSettings(farTooBigHistorySizeSettings, emptyRenderTarget);
|
|
VERIFY_ARE_EQUAL(farTooBigHistorySizeTerminal.GetTextBuffer().TotalRowCount(), static_cast<unsigned int>(SHRT_MAX), L"History size that is far too large is clamped to SHRT_MAX - initial row count");
|
|
}
|
|
};
|
|
}
|