Test HistoryType change

Unlimited to Fixed Size must have the fixed size information preserved.
Fixed Size to Unlimited must have all the information preserved.
All types to None all information must be erased.

src/autotests/HistoryTest.cpp

@@ -131,6 +131,7 @@ void HistoryTest::testHistoryScroll()
 
     delete historyScroll;
 }
+
 void HistoryTest::testHistoryReflow()
 {
     HistoryScroll *historyScroll;
@@ -161,11 +162,11 @@ void HistoryTest::testHistoryReflow()
     QCOMPARE(historyScroll->getLines(), 10);
     QCOMPARE(historyScroll->getLineLen(5), 1);
     historyScroll->getCells(3, 0, 1, &testChar);
-    QCOMPARE(testChar.character, (uint)testString[testStringSize - 7]);
+    QCOMPARE(testChar, testImage[testStringSize - 7]);
     historyScroll->getCells(0, 0, 1, &testChar);
-    QCOMPARE(testChar.character, (uint)testString[testStringSize - 10]);
+    QCOMPARE(testChar, testImage[testStringSize - 10]);
     historyScroll->getCells(9, 0, 1, &testChar);
-    QCOMPARE(testChar.character, (uint)testString[testStringSize - 1]);
+    QCOMPARE(testChar, testImage[testStringSize - 1]);
 
     delete historyScroll;
 
@@ -183,13 +184,65 @@ void HistoryTest::testHistoryReflow()
     QCOMPARE(historyScroll->getLines(), testStringSize);
     QCOMPARE(historyScroll->getLineLen(5), 1);
     historyScroll->getCells(3, 0, 1, &testChar);
-    QCOMPARE(testChar.character, (uint)testString[3]);
+    QCOMPARE(testChar, testImage[3]);
     historyScroll->getCells(0, 0, 1, &testChar);
-    QCOMPARE(testChar.character, (uint)testString[0]);
+    QCOMPARE(testChar, testImage[0]);
     historyScroll->getCells(testStringSize - 1, 0, 1, &testChar);
-    QCOMPARE(testChar.character, (uint)testString[testStringSize - 1]);
+    QCOMPARE(testChar, testImage[testStringSize - 1]);
+
+    delete historyScroll;
+    delete[] testImage;
+}
+
+void HistoryTest::testHistoryTypeChange()
+{
+    HistoryScroll *historyScroll = nullptr;
+
+    const char testString[] = "abcdefghijklmnopqrstuvwxyz1234567890";
+    const int testStringSize = sizeof(testString) / sizeof(char) - 1;
+    auto testImage = new Character[testStringSize];
+    Character testChar;
+    for (int i = 0; i < testStringSize; i++) {
+        testImage[i] = Character((uint)testString[i]);
+    }
+
+    // None
+    auto historyTypeNone = new HistoryTypeNone();
+    historyScroll = historyTypeNone->scroll(historyScroll);
+
+    // None to File
+    auto historyTypeFile = new HistoryTypeFile();
+    historyScroll = historyTypeFile->scroll(historyScroll);
+
+    historyScroll->addCells(testImage, testStringSize);
+    historyScroll->addLine(false);
+    QCOMPARE(historyScroll->reflowLines(1), 0);
+    QCOMPARE(historyScroll->getLines(), testStringSize);
+    historyScroll->getCells(0, 0, 1, &testChar);
+    QCOMPARE(testChar, testImage[0]);
+
+    // File to Compact
+    auto compactHistoryType = new CompactHistoryType(10);
+    historyScroll = compactHistoryType->scroll(historyScroll);
+
+    QCOMPARE(historyScroll->getLines(), 10);
+    historyScroll->getCells(0, 0, 1, &testChar);
+    QCOMPARE(testChar, testImage[testStringSize - 10]);
+
+    // Compact to File
+    historyScroll = historyTypeFile->scroll(historyScroll);
+    QCOMPARE(historyScroll->getLines(), 10);
+    historyScroll->getCells(0, 0, 1, &testChar);
+    QCOMPARE(testChar, testImage[testStringSize - 10]);
+
+    // File to None
+    historyScroll = historyTypeNone->scroll(historyScroll);
+    QCOMPARE(historyScroll->getLines(), 0);
 
     delete historyScroll;
+    delete historyTypeFile;
+    delete historyTypeNone;
+    delete compactHistoryType;
     delete[] testImage;
 }
 

src/autotests/HistoryTest.h

@@ -23,6 +23,7 @@ private Q_SLOTS:
     void testEmulationHistory();
     void testHistoryScroll();
     void testHistoryReflow();
+    void testHistoryTypeChange();
 
 private:
 };