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141 lines
3.8 KiB
141 lines
3.8 KiB
// Unit Tests for Scintilla internal data structures
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#include <cstring>
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#include <stdexcept>
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#include <algorithm>
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#include "Platform.h"
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#include "SplitVector.h"
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#include "Partitioning.h"
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#include "RunStyles.h"
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#include "CellBuffer.h"
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#include "catch.hpp"
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// Test CellBuffer.
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TEST_CASE("CellBuffer") {
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const char sText[] = "Scintilla";
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const size_t sLength = strlen(sText);
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CellBuffer cb;
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SECTION("InsertOneLine") {
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bool startSequence = false;
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const char *cpChange = cb.InsertString(0, sText, sLength, startSequence);
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REQUIRE(startSequence);
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REQUIRE(sLength == cb.Length());
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REQUIRE(memcmp(cpChange, sText, sLength) == 0);
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REQUIRE(1 == cb.Lines());
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REQUIRE(0 == cb.LineStart(0));
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REQUIRE(0 == cb.LineFromPosition(0));
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REQUIRE(sLength == cb.LineStart(1));
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REQUIRE(0 == cb.LineFromPosition(sLength));
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REQUIRE(cb.CanUndo());
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REQUIRE(!cb.CanRedo());
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}
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SECTION("InsertTwoLines") {
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const char sText2[] = "Two\nLines";
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const size_t sLength2 = strlen(sText2);
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bool startSequence = false;
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const char *cpChange = cb.InsertString(0, sText2, sLength2, startSequence);
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REQUIRE(startSequence);
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REQUIRE(sLength2 == cb.Length());
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REQUIRE(memcmp(cpChange, sText2, sLength2) == 0);
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REQUIRE(2 == cb.Lines());
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REQUIRE(0 == cb.LineStart(0));
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REQUIRE(0 == cb.LineFromPosition(0));
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REQUIRE(4 == cb.LineStart(1));
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REQUIRE(1 == cb.LineFromPosition(5));
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REQUIRE(sLength2 == cb.LineStart(2));
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REQUIRE(1 == cb.LineFromPosition(sLength2));
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REQUIRE(cb.CanUndo());
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REQUIRE(!cb.CanRedo());
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}
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SECTION("UndoOff") {
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REQUIRE(cb.IsCollectingUndo());
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cb.SetUndoCollection(false);
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REQUIRE(!cb.IsCollectingUndo());
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bool startSequence = false;
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const char *cpChange = cb.InsertString(0, sText, sLength, startSequence);
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REQUIRE(!startSequence);
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REQUIRE(sLength == cb.Length());
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REQUIRE(memcmp(cpChange, sText, sLength) == 0);
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REQUIRE(!cb.CanUndo());
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REQUIRE(!cb.CanRedo());
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}
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SECTION("UndoRedo") {
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const char sTextDeleted[] = "ci";
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const char sTextAfterDeletion[] = "Sntilla";
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bool startSequence = false;
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const char *cpChange = cb.InsertString(0, sText, sLength, startSequence);
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REQUIRE(startSequence);
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REQUIRE(sLength == cb.Length());
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REQUIRE(memcmp(cpChange, sText, sLength) == 0);
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REQUIRE(memcmp(cb.BufferPointer(), sText, sLength) == 0);
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REQUIRE(cb.CanUndo());
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REQUIRE(!cb.CanRedo());
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const char *cpDeletion = cb.DeleteChars(1, 2, startSequence);
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REQUIRE(startSequence);
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REQUIRE(memcmp(cpDeletion, sTextDeleted, strlen(sTextDeleted)) == 0);
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REQUIRE(memcmp(cb.BufferPointer(), sTextAfterDeletion, strlen(sTextAfterDeletion)) == 0);
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REQUIRE(cb.CanUndo());
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REQUIRE(!cb.CanRedo());
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int steps = cb.StartUndo();
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REQUIRE(steps == 1);
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cb.PerformUndoStep();
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REQUIRE(memcmp(cb.BufferPointer(), sText, sLength) == 0);
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REQUIRE(cb.CanUndo());
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REQUIRE(cb.CanRedo());
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steps = cb.StartUndo();
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REQUIRE(steps == 1);
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cb.PerformUndoStep();
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REQUIRE(cb.Length() == 0);
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REQUIRE(!cb.CanUndo());
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REQUIRE(cb.CanRedo());
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steps = cb.StartRedo();
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REQUIRE(steps == 1);
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cb.PerformRedoStep();
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REQUIRE(memcmp(cb.BufferPointer(), sText, sLength) == 0);
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REQUIRE(cb.CanUndo());
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REQUIRE(cb.CanRedo());
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steps = cb.StartRedo();
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REQUIRE(steps == 1);
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cb.PerformRedoStep();
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REQUIRE(memcmp(cb.BufferPointer(), sTextAfterDeletion, strlen(sTextAfterDeletion)) == 0);
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REQUIRE(cb.CanUndo());
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REQUIRE(!cb.CanRedo());
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cb.DeleteUndoHistory();
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REQUIRE(!cb.CanUndo());
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REQUIRE(!cb.CanRedo());
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}
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SECTION("LineEndTypes") {
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REQUIRE(cb.GetLineEndTypes() == 0);
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cb.SetLineEndTypes(1);
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REQUIRE(cb.GetLineEndTypes() == 1);
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cb.SetLineEndTypes(0);
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REQUIRE(cb.GetLineEndTypes() == 0);
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}
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SECTION("ReadOnly") {
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REQUIRE(!cb.IsReadOnly());
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cb.SetReadOnly(true);
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REQUIRE(cb.IsReadOnly());
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bool startSequence = false;
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cb.InsertString(0, sText, sLength, startSequence);
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REQUIRE(cb.Length() == 0);
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}
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}
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