summaryrefslogtreecommitdiff
path: root/xfa/fde/cfde_txtedtbuf_unittest.cpp
diff options
context:
space:
mode:
authordsinclair <dsinclair@chromium.org>2017-01-09 13:43:07 -0800
committerCommit bot <commit-bot@chromium.org>2017-01-09 13:43:07 -0800
commit5e9066cbfa252b84d49f8b4adba445ba7761e81f (patch)
tree0c9a396c4740a8e1398e8caef28b1a44372e6fed /xfa/fde/cfde_txtedtbuf_unittest.cpp
parentf04b7f1c438bf9f9e41a1925c6bcaa378c082ee1 (diff)
downloadpdfium-5e9066cbfa252b84d49f8b4adba445ba7761e81f.tar.xz
Add CFDE_TxtEdtBuf testschromium/2977
This CL adds a set of unit tests for the text edit buffer. It fixes up a few bugs found adding the tests and removes the unused ::Optimize method. Review-Url: https://codereview.chromium.org/2614383003
Diffstat (limited to 'xfa/fde/cfde_txtedtbuf_unittest.cpp')
-rw-r--r--xfa/fde/cfde_txtedtbuf_unittest.cpp199
1 files changed, 199 insertions, 0 deletions
diff --git a/xfa/fde/cfde_txtedtbuf_unittest.cpp b/xfa/fde/cfde_txtedtbuf_unittest.cpp
new file mode 100644
index 0000000000..7228b2ad03
--- /dev/null
+++ b/xfa/fde/cfde_txtedtbuf_unittest.cpp
@@ -0,0 +1,199 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "xfa/fde/cfde_txtedtbuf.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/test_support.h"
+#include "third_party/base/ptr_util.h"
+
+class CFDE_TxtEdtBufTest : public testing::Test {
+ public:
+ void SetUp() override {
+ buf_ = pdfium::MakeUnique<CFDE_TxtEdtBuf>();
+ buf_->SetChunkSizeForTesting(5);
+ }
+ size_t ChunkCount() const { return buf_->m_Chunks.GetSize(); }
+
+ std::unique_ptr<CFDE_TxtEdtBuf> buf_;
+};
+
+TEST_F(CFDE_TxtEdtBufTest, SetTextLessThenChunkSize) {
+ buf_->SetText(L"Hi");
+ EXPECT_EQ(1UL, ChunkCount());
+ EXPECT_EQ(2, buf_->GetTextLength());
+
+ CFX_WideString res = buf_->GetText();
+ EXPECT_EQ(2, res.GetLength());
+ EXPECT_EQ(L"Hi", res);
+}
+
+TEST_F(CFDE_TxtEdtBufTest, InsertAppendChunk) {
+ buf_->SetText(L"Hi");
+
+ CFX_WideString end = L" World";
+ buf_->Insert(2, end.c_str(), end.GetLength());
+ EXPECT_EQ(3UL, ChunkCount());
+ EXPECT_EQ(8, buf_->GetTextLength());
+
+ CFX_WideString res = buf_->GetText();
+ EXPECT_EQ(8, res.GetLength());
+ EXPECT_EQ(L"Hi World", res);
+}
+
+TEST_F(CFDE_TxtEdtBufTest, InsertPrependChunk) {
+ buf_->SetText(L"Hi");
+
+ CFX_WideString end = L"World ";
+ buf_->Insert(0, end.c_str(), end.GetLength());
+ EXPECT_EQ(3UL, ChunkCount());
+ EXPECT_EQ(8, buf_->GetTextLength());
+
+ CFX_WideString res = buf_->GetText();
+ EXPECT_EQ(L"World Hi", res);
+ EXPECT_EQ(8, res.GetLength());
+}
+
+TEST_F(CFDE_TxtEdtBufTest, InsertBetweenChunks) {
+ buf_->SetText(L"Hello World");
+ EXPECT_EQ(3UL, ChunkCount());
+
+ CFX_WideString inst = L"there ";
+ buf_->Insert(6, inst.c_str(), inst.GetLength());
+ EXPECT_EQ(5UL, ChunkCount());
+ EXPECT_EQ(17, buf_->GetTextLength());
+
+ CFX_WideString res = buf_->GetText();
+ EXPECT_EQ(L"Hello there World", res);
+ EXPECT_EQ(17, res.GetLength());
+}
+
+TEST_F(CFDE_TxtEdtBufTest, SetText) {
+ buf_->SetText(L"Hello World");
+ EXPECT_EQ(11, buf_->GetTextLength());
+
+ buf_->SetText(L"Hi");
+ // Don't remove chunks on setting shorter text.
+ EXPECT_EQ(3UL, ChunkCount());
+ EXPECT_EQ(2, buf_->GetTextLength());
+
+ CFX_WideString res = buf_->GetText();
+ EXPECT_EQ(L"Hi", res);
+ EXPECT_EQ(2, res.GetLength());
+}
+
+TEST_F(CFDE_TxtEdtBufTest, DeleteMiddleText) {
+ buf_->SetText(L"Hello there World");
+ buf_->Delete(6, 6);
+ EXPECT_EQ(4UL, ChunkCount());
+ EXPECT_EQ(11, buf_->GetTextLength());
+
+ CFX_WideString res = buf_->GetText();
+ EXPECT_EQ(L"Hello World", res);
+ EXPECT_EQ(11, res.GetLength());
+}
+
+TEST_F(CFDE_TxtEdtBufTest, DeleteEndText) {
+ buf_->SetText(L"Hello World");
+ buf_->Delete(5, 6);
+ EXPECT_EQ(1UL, ChunkCount());
+ EXPECT_EQ(5, buf_->GetTextLength());
+
+ CFX_WideString res = buf_->GetText();
+ EXPECT_EQ(L"Hello", res);
+ EXPECT_EQ(5, res.GetLength());
+}
+
+TEST_F(CFDE_TxtEdtBufTest, DeleteStartText) {
+ buf_->SetText(L"Hello World");
+ buf_->Delete(0, 6);
+ EXPECT_EQ(2UL, ChunkCount());
+ EXPECT_EQ(5, buf_->GetTextLength());
+
+ CFX_WideString res = buf_->GetText();
+ EXPECT_EQ(L"World", res);
+ EXPECT_EQ(5, res.GetLength());
+}
+
+TEST_F(CFDE_TxtEdtBufTest, DeleteAllText) {
+ buf_->SetText(L"Hello World");
+ buf_->Delete(0, 11);
+ EXPECT_EQ(0UL, ChunkCount());
+ EXPECT_EQ(0, buf_->GetTextLength());
+
+ CFX_WideString res = buf_->GetText();
+ EXPECT_EQ(L"", res);
+ EXPECT_EQ(0, res.GetLength());
+}
+
+TEST_F(CFDE_TxtEdtBufTest, ClearWithRelease) {
+ buf_->SetText(L"Hello World");
+ buf_->Clear(true);
+ EXPECT_EQ(0UL, ChunkCount());
+ EXPECT_EQ(0, buf_->GetTextLength());
+
+ CFX_WideString res = buf_->GetText();
+ EXPECT_EQ(L"", res);
+ EXPECT_EQ(0, res.GetLength());
+}
+
+TEST_F(CFDE_TxtEdtBufTest, ClearWithoutRelease) {
+ buf_->SetText(L"Hello World");
+ buf_->Clear(false);
+ EXPECT_EQ(3UL, ChunkCount());
+ EXPECT_EQ(0, buf_->GetTextLength());
+
+ CFX_WideString res = buf_->GetText();
+ EXPECT_EQ(L"", res);
+ EXPECT_EQ(0, res.GetLength());
+}
+
+TEST_F(CFDE_TxtEdtBufTest, GetCharByIndex) {
+ buf_->SetText(L"Hello world");
+ EXPECT_EQ(L"e", CFX_WideString(buf_->GetCharByIndex(1)));
+ EXPECT_EQ(L"o", CFX_WideString(buf_->GetCharByIndex(7)));
+}
+
+TEST_F(CFDE_TxtEdtBufTest, GetRange) {
+ buf_->SetText(L"Hello World");
+ EXPECT_EQ(L"", buf_->GetRange(1, 0));
+ EXPECT_EQ(L"ello", buf_->GetRange(1, 4));
+ EXPECT_EQ(L"lo Wo", buf_->GetRange(3, 5));
+}
+
+#ifndef NDEBUG
+using CFDE_TxtEdtBufTestDeathTest = CFDE_TxtEdtBufTest;
+
+TEST_F(CFDE_TxtEdtBufTestDeathTest, InsertBadIndexes) {
+ CFX_WideString inst = L"there ";
+
+ buf_->SetText(L"Hi");
+ EXPECT_DEATH(buf_->Insert(-4, inst.c_str(), inst.GetLength()), "Assertion");
+ EXPECT_DEATH(buf_->Insert(9999, inst.c_str(), inst.GetLength()), "Assertion");
+ EXPECT_DEATH(buf_->Insert(1, inst.c_str(), -6), "Assertion");
+}
+
+TEST_F(CFDE_TxtEdtBufTestDeathTest, DeleteWithBadIdx) {
+ buf_->SetText(L"Hi");
+ EXPECT_DEATH(buf_->Delete(-10, 4), "Assertion");
+ EXPECT_DEATH(buf_->Delete(1, -5), "Assertion");
+ EXPECT_DEATH(buf_->Delete(5, 1), "Assertion");
+ EXPECT_DEATH(buf_->Delete(0, 10000), "Assertion");
+}
+
+TEST_F(CFDE_TxtEdtBufTestDeathTest, GetCharByIndex) {
+ buf_->SetText(L"Hi");
+ EXPECT_DEATH(buf_->GetCharByIndex(-1), "Assertion");
+ EXPECT_DEATH(buf_->GetCharByIndex(100), "Assertion");
+}
+
+TEST_F(CFDE_TxtEdtBufTestDeathTest, GetRange) {
+ buf_->SetText(L"Hi");
+ EXPECT_DEATH(buf_->GetRange(1, -1), "Assertion");
+ EXPECT_DEATH(buf_->GetRange(-1, 1), "Assertion");
+ EXPECT_DEATH(buf_->GetRange(10, 1), "Assertion");
+ EXPECT_DEATH(buf_->GetRange(1, 100), "Assertion");
+}
+
+#endif // NDEBUG