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notepad-plus-plus/scintilla/test/unit/testContractionState.cxx

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3.2 KiB

// Unit Tests for Scintilla internal data structures
#include <string.h>
#include <algorithm>
#include "Platform.h"
#include "SplitVector.h"
#include "Partitioning.h"
#include "RunStyles.h"
#include "ContractionState.h"
#include "catch.hpp"
// Test ContractionState.
TEST_CASE("ContractionState") {
ContractionState cs;
SECTION("IsEmptyInitially") {
REQUIRE(1 == cs.LinesInDoc());
REQUIRE(1 == cs.LinesDisplayed());
REQUIRE(0 == cs.DisplayFromDoc(0));
REQUIRE(0 == cs.DocFromDisplay(0));
}
SECTION("OneLine") {
cs.InsertLine(0);
REQUIRE(2 == cs.LinesInDoc());
REQUIRE(2 == cs.LinesDisplayed());
REQUIRE(0 == cs.DisplayFromDoc(0));
REQUIRE(0 == cs.DocFromDisplay(0));
REQUIRE(1 == cs.DisplayFromDoc(1));
REQUIRE(1 == cs.DocFromDisplay(1));
}
SECTION("InsertionThenDeletions") {
cs.InsertLines(0,4);
cs.DeleteLine(1);
REQUIRE(4 == cs.LinesInDoc());
REQUIRE(4 == cs.LinesDisplayed());
for (int l=0;l<4;l++) {
REQUIRE(l == cs.DisplayFromDoc(l));
REQUIRE(l == cs.DocFromDisplay(l));
}
cs.DeleteLines(0,2);
REQUIRE(2 == cs.LinesInDoc());
REQUIRE(2 == cs.LinesDisplayed());
for (int l=0;l<2;l++) {
REQUIRE(l == cs.DisplayFromDoc(l));
REQUIRE(l == cs.DocFromDisplay(l));
}
}
SECTION("ShowHide") {
cs.InsertLines(0,4);
REQUIRE(true == cs.GetVisible(0));
REQUIRE(true == cs.GetVisible(1));
REQUIRE(true == cs.GetVisible(2));
REQUIRE(5 == cs.LinesDisplayed());
cs.SetVisible(1, 1, false);
REQUIRE(true == cs.GetVisible(0));
REQUIRE(0 == cs.GetVisible(1));
REQUIRE(true == cs.GetVisible(2));
REQUIRE(4 == cs.LinesDisplayed());
REQUIRE(1 == cs.HiddenLines());
cs.SetVisible(1, 2, true);
for (int l=0;l<4;l++) {
REQUIRE(true == cs.GetVisible(0));
}
cs.SetVisible(1, 1, false);
REQUIRE(0 == cs.GetVisible(1));
cs.ShowAll();
for (int l=0;l<4;l++) {
REQUIRE(true == cs.GetVisible(0));
}
REQUIRE(0 == cs.HiddenLines());
}
SECTION("Hidden") {
cs.InsertLines(0,1);
for (int l=0;l<2;l++) {
REQUIRE(true == cs.GetVisible(0));
}
REQUIRE(0 == cs.HiddenLines());
cs.SetVisible(1, 1, false);
REQUIRE(true == cs.GetVisible(0));
REQUIRE(0 == cs.GetVisible(1));
REQUIRE(1 == cs.HiddenLines());
cs.SetVisible(1, 1, true);
for (int l=0;l<2;l++) {
REQUIRE(true == cs.GetVisible(0));
}
REQUIRE(0 == cs.HiddenLines());
}
SECTION("Contracting") {
cs.InsertLines(0,4);
for (int l=0;l<4;l++) {
REQUIRE(true == cs.GetExpanded(l));
}
cs.SetExpanded(2, false);
REQUIRE(true == cs.GetExpanded(1));
REQUIRE(0 == cs.GetExpanded(2));
REQUIRE(true == cs.GetExpanded(3));
REQUIRE(2 == cs.ContractedNext(0));
REQUIRE(2 == cs.ContractedNext(1));
REQUIRE(2 == cs.ContractedNext(2));
REQUIRE(-1 == cs.ContractedNext(3));
cs.SetExpanded(2, true);
REQUIRE(true == cs.GetExpanded(1));
REQUIRE(true == cs.GetExpanded(2));
REQUIRE(true == cs.GetExpanded(3));
}
SECTION("ChangeHeight") {
cs.InsertLines(0,4);
for (int l=0;l<4;l++) {
REQUIRE(1 == cs.GetHeight(l));
}
cs.SetHeight(1, 2);
REQUIRE(1 == cs.GetHeight(0));
REQUIRE(2 == cs.GetHeight(1));
REQUIRE(1 == cs.GetHeight(2));
}
}