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authorDan Sinclair <dsinclair@chromium.org>2017-09-20 11:17:52 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-09-20 16:10:03 +0000
commitd56fd77ef0b2e2a14ceb127283ac0e7cf7ca090b (patch)
tree65728013e4f43b8ce2728cbbf8038b8707e08739 /xfa/fde/cfde_texteditengine_unittest.cpp
parentbc48185643b3983fd9620ba2f987ada1478fbdc2 (diff)
downloadpdfium-d56fd77ef0b2e2a14ceb127283ac0e7cf7ca090b.tar.xz
Implement CFDE_TextEditEngine::GetIndex* methods.
This CL adds unittests and implementations for the text edit engine methods to get various indexes based on cursor position. The |RebuildPieces| method was fixed to correctly keep track of character position when dealing with BIDI characters. Change-Id: Ie3c5ee5d63bfd00f6f0cdcb1c6fcfe6e05bba50e Reviewed-on: https://pdfium-review.googlesource.com/14430 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Diffstat (limited to 'xfa/fde/cfde_texteditengine_unittest.cpp')
-rw-r--r--xfa/fde/cfde_texteditengine_unittest.cpp123
1 files changed, 123 insertions, 0 deletions
diff --git a/xfa/fde/cfde_texteditengine_unittest.cpp b/xfa/fde/cfde_texteditengine_unittest.cpp
index 51940f21a8..b0a27f331c 100644
--- a/xfa/fde/cfde_texteditengine_unittest.cpp
+++ b/xfa/fde/cfde_texteditengine_unittest.cpp
@@ -571,3 +571,126 @@ TEST_F(CFDE_TextEditEngineTest, BoundsForWordAt) {
}
}
}
+
+TEST_F(CFDE_TextEditEngineTest, CursorMovement) {
+ engine()->Clear();
+ engine()->Insert(0, L"Hello");
+
+ EXPECT_EQ(0U, engine()->GetIndexLeft(0));
+ EXPECT_EQ(5U, engine()->GetIndexRight(5));
+ EXPECT_EQ(2U, engine()->GetIndexUp(2));
+ EXPECT_EQ(2U, engine()->GetIndexDown(2));
+ EXPECT_EQ(1U, engine()->GetIndexLeft(2));
+ EXPECT_EQ(1U, engine()->GetIndexBefore(2));
+ EXPECT_EQ(3U, engine()->GetIndexRight(2));
+ EXPECT_EQ(0U, engine()->GetIndexAtStartOfLine(2));
+ EXPECT_EQ(5U, engine()->GetIndexAtEndOfLine(2));
+
+ engine()->Clear();
+ engine()->Insert(0, L"The book is \"مدخل إلى C++\"");
+ EXPECT_EQ(2U, engine()->GetIndexBefore(3)); // Before is to left.
+ EXPECT_EQ(16U, engine()->GetIndexBefore(15)); // Before is to right.
+ EXPECT_EQ(22U, engine()->GetIndexBefore(23)); // Before is to left.
+
+ engine()->Clear();
+ engine()->Insert(0, L"Hello\r\nWorld\r\nTest");
+ // Move to end of Hello from start of World.
+ engine()->SetSelection(engine()->GetIndexBefore(7U), 7);
+ EXPECT_STREQ(L"\r\nWorld", engine()->GetSelectedText().c_str());
+
+ // Second letter in Hello from second letter in World.
+ engine()->SetSelection(engine()->GetIndexUp(8U), 2);
+ EXPECT_STREQ(L"el", engine()->GetSelectedText().c_str());
+
+ // Second letter in World from second letter in Test.
+ engine()->SetSelection(engine()->GetIndexUp(15U), 2);
+ EXPECT_STREQ(L"or", engine()->GetSelectedText().c_str());
+
+ // Second letter in World from second letter in Hello.
+ engine()->SetSelection(engine()->GetIndexDown(1U), 2);
+ EXPECT_STREQ(L"or", engine()->GetSelectedText().c_str());
+
+ // Second letter in Test from second letter in World.
+ engine()->SetSelection(engine()->GetIndexDown(8U), 2);
+ EXPECT_STREQ(L"es", engine()->GetSelectedText().c_str());
+
+ size_t start_idx = engine()->GetIndexAtStartOfLine(8U);
+ size_t end_idx = engine()->GetIndexAtEndOfLine(8U);
+ engine()->SetSelection(start_idx, end_idx - start_idx);
+ EXPECT_STREQ(L"World", engine()->GetSelectedText().c_str());
+
+ // Move past \r\n to before W.
+ engine()->SetSelection(engine()->GetIndexRight(5U), 5);
+ EXPECT_STREQ(L"World", engine()->GetSelectedText().c_str());
+
+ engine()->Clear();
+ engine()->Insert(0, L"Short\nAnd a very long line");
+ engine()->SetSelection(engine()->GetIndexUp(14U), 11);
+ EXPECT_STREQ(L"\nAnd a very", engine()->GetSelectedText().c_str());
+
+ engine()->Clear();
+ engine()->Insert(0, L"A Very long line\nShort");
+ EXPECT_EQ(engine()->GetLength(), engine()->GetIndexDown(8U));
+
+ engine()->Clear();
+ engine()->Insert(0, L"Hello\rWorld\rTest");
+ // Move to end of Hello from start of World.
+ engine()->SetSelection(engine()->GetIndexBefore(6U), 6);
+ EXPECT_STREQ(L"\rWorld", engine()->GetSelectedText().c_str());
+
+ // Second letter in Hello from second letter in World.
+ engine()->SetSelection(engine()->GetIndexUp(7U), 2);
+ EXPECT_STREQ(L"el", engine()->GetSelectedText().c_str());
+
+ // Second letter in World from second letter in Test.
+ engine()->SetSelection(engine()->GetIndexUp(13U), 2);
+ EXPECT_STREQ(L"or", engine()->GetSelectedText().c_str());
+
+ // Second letter in World from second letter in Hello.
+ engine()->SetSelection(engine()->GetIndexDown(1U), 2);
+ EXPECT_STREQ(L"or", engine()->GetSelectedText().c_str());
+
+ // Second letter in Test from second letter in World.
+ engine()->SetSelection(engine()->GetIndexDown(7U), 2);
+ EXPECT_STREQ(L"es", engine()->GetSelectedText().c_str());
+
+ start_idx = engine()->GetIndexAtStartOfLine(7U);
+ end_idx = engine()->GetIndexAtEndOfLine(7U);
+ engine()->SetSelection(start_idx, end_idx - start_idx);
+ EXPECT_STREQ(L"World", engine()->GetSelectedText().c_str());
+
+ // Move past \r to before W.
+ engine()->SetSelection(engine()->GetIndexRight(5U), 5);
+ EXPECT_STREQ(L"World", engine()->GetSelectedText().c_str());
+
+ engine()->Clear();
+ engine()->Insert(0, L"Hello\nWorld\nTest");
+ // Move to end of Hello from start of World.
+ engine()->SetSelection(engine()->GetIndexBefore(6U), 6);
+ EXPECT_STREQ(L"\nWorld", engine()->GetSelectedText().c_str());
+
+ // Second letter in Hello from second letter in World.
+ engine()->SetSelection(engine()->GetIndexUp(7U), 2);
+ EXPECT_STREQ(L"el", engine()->GetSelectedText().c_str());
+
+ // Second letter in World from second letter in Test.
+ engine()->SetSelection(engine()->GetIndexUp(13U), 2);
+ EXPECT_STREQ(L"or", engine()->GetSelectedText().c_str());
+
+ // Second letter in World from second letter in Hello.
+ engine()->SetSelection(engine()->GetIndexDown(1U), 2);
+ EXPECT_STREQ(L"or", engine()->GetSelectedText().c_str());
+
+ // Second letter in Test from second letter in World.
+ engine()->SetSelection(engine()->GetIndexDown(7U), 2);
+ EXPECT_STREQ(L"es", engine()->GetSelectedText().c_str());
+
+ start_idx = engine()->GetIndexAtStartOfLine(7U);
+ end_idx = engine()->GetIndexAtEndOfLine(7U);
+ engine()->SetSelection(start_idx, end_idx - start_idx);
+ EXPECT_STREQ(L"World", engine()->GetSelectedText().c_str());
+
+ // Move past \r to before W.
+ engine()->SetSelection(engine()->GetIndexRight(5U), 5);
+ EXPECT_STREQ(L"World", engine()->GetSelectedText().c_str());
+}