Add test case : dual undo

diff --git a/UnitTest/UnitTest/testcase/YAEditDocTest.cpp b/UnitTest/UnitTest/testcase/YAEditDocTest.cpp
index c2bc21f..6ced57b 100644 (file)
--- a/UnitTest/UnitTest/testcase/YAEditDocTest.cpp
+++ b/UnitTest/UnitTest/testcase/YAEditDocTest.cpp
@@ -24,6 +24,7 @@ static void UndoTest1();
 static void UndoTest2();\r
 static void UndoTest3();\r
 static void UndoTest4();\r
+static void UndoTest5();\r
 \r
 void YAEditDocTest(TestRunner *r) {\r
        runner = r;\r
@@ -43,6 +44,7 @@ void YAEditDocTest(TestRunner *r) {
        UndoTest2();\r
        UndoTest3();\r
        UndoTest4();\r
+       UndoTest5();\r
 }\r
 \r
 ////////////////////////////////////////////////\r
@@ -375,9 +377,40 @@ void UndoTest4() {
        // Undo!\r
        ASSERT(pDoc->Undo());\r
 \r
+       // expect is -----\r
        pResult = pDoc->GetDocumentData(&nLen);\r
        ASSERT(pResult != NULL);\r
        ASSERT(_tcsncmp(pResult, TEXT("-----"), nLen) == 0);\r
        ASSERT(nLen == 5);\r
 \r
+}\r
+\r
+void UndoTest5() {\r
+       YAEditDoc *pDoc = new YAEditDoc();\r
+       ASSERT(pDoc->Init(TEXT("-----"), NULL, NULL));\r
+\r
+       // -----\r
+       Region rReplace(2, 0, 2, 0);\r
+       ASSERT(pDoc->ReplaceString(&rReplace, TEXT("a")));\r
+       // --a---\r
+\r
+       // Undo!\r
+       ASSERT(pDoc->Undo());\r
+\r
+       // expect is -----\r
+       DWORD nLen;\r
+       LPTSTR pResult;\r
+       pResult = pDoc->GetDocumentData(&nLen);\r
+       ASSERT(pResult != NULL);\r
+       ASSERT(_tcsncmp(pResult, TEXT("-----"), nLen) == 0);\r
+       ASSERT(nLen == 5);\r
+\r
+       // Undo(exactly say, this is Redo)\r
+       ASSERT(pDoc->Undo());\r
+\r
+       // expect is --a---\r
+       pResult = pDoc->GetDocumentData(&nLen);\r
+       ASSERT(pResult != NULL);\r
+       ASSERT(_tcsncmp(pResult, TEXT("--a---"), nLen) == 0);\r
+       ASSERT(nLen == 6);\r
 }
\ No newline at end of file