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

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// Unit Tests for Scintilla internal data structures
#include <string.h>
#include "Platform.h"
#include "SplitVector.h"
#include "Partitioning.h"
#include "RunStyles.h"
#include "ContractionState.h"
#include <gtest/gtest.h>
// Test ContractionState.
class ContractionStateTest : public ::testing::Test {
protected:
virtual void SetUp() {
pcs = new ContractionState();
}
virtual void TearDown() {
delete pcs;
pcs = 0;
}
ContractionState *pcs;
};
TEST_F(ContractionStateTest, IsEmptyInitially) {
EXPECT_EQ(1, pcs->LinesInDoc());
EXPECT_EQ(1, pcs->LinesDisplayed());
EXPECT_EQ(0, pcs->DisplayFromDoc(0));
EXPECT_EQ(0, pcs->DocFromDisplay(0));
}
TEST_F(ContractionStateTest, OneLine) {
pcs->InsertLine(0);
EXPECT_EQ(2, pcs->LinesInDoc());
EXPECT_EQ(2, pcs->LinesDisplayed());
EXPECT_EQ(0, pcs->DisplayFromDoc(0));
EXPECT_EQ(0, pcs->DocFromDisplay(0));
EXPECT_EQ(1, pcs->DisplayFromDoc(1));
EXPECT_EQ(1, pcs->DocFromDisplay(1));
}
TEST_F(ContractionStateTest, InsertionThenDeletions) {
pcs->InsertLines(0,4);
pcs->DeleteLine(1);
EXPECT_EQ(4, pcs->LinesInDoc());
EXPECT_EQ(4, pcs->LinesDisplayed());
for (int l=0;l<4;l++) {
EXPECT_EQ(l, pcs->DisplayFromDoc(l));
EXPECT_EQ(l, pcs->DocFromDisplay(l));
}
pcs->DeleteLines(0,2);
EXPECT_EQ(2, pcs->LinesInDoc());
EXPECT_EQ(2, pcs->LinesDisplayed());
for (int l=0;l<2;l++) {
EXPECT_EQ(l, pcs->DisplayFromDoc(l));
EXPECT_EQ(l, pcs->DocFromDisplay(l));
}
}
TEST_F(ContractionStateTest, ShowHide) {
pcs->InsertLines(0,4);
EXPECT_EQ(true, pcs->GetVisible(0));
EXPECT_EQ(true, pcs->GetVisible(1));
EXPECT_EQ(true, pcs->GetVisible(2));
EXPECT_EQ(5, pcs->LinesDisplayed());
pcs->SetVisible(1, 1, false);
EXPECT_EQ(true, pcs->GetVisible(0));
EXPECT_EQ(0, pcs->GetVisible(1));
EXPECT_EQ(true, pcs->GetVisible(2));
EXPECT_EQ(4, pcs->LinesDisplayed());
EXPECT_EQ(1, pcs->HiddenLines());
pcs->SetVisible(1, 2, true);
for (int l=0;l<4;l++) {
EXPECT_EQ(true, pcs->GetVisible(0));
}
pcs->SetVisible(1, 1, false);
EXPECT_EQ(0, pcs->GetVisible(1));
pcs->ShowAll();
for (int l=0;l<4;l++) {
EXPECT_EQ(true, pcs->GetVisible(0));
}
EXPECT_EQ(0, pcs->HiddenLines());
}
TEST_F(ContractionStateTest, Hidden) {
pcs->InsertLines(0,1);
for (int l=0;l<2;l++) {
EXPECT_EQ(true, pcs->GetVisible(0));
}
EXPECT_EQ(0, pcs->HiddenLines());
pcs->SetVisible(1, 1, false);
EXPECT_EQ(true, pcs->GetVisible(0));
EXPECT_EQ(0, pcs->GetVisible(1));
EXPECT_EQ(1, pcs->HiddenLines());
pcs->SetVisible(1, 1, true);
for (int l=0;l<2;l++) {
EXPECT_EQ(true, pcs->GetVisible(0));
}
EXPECT_EQ(0, pcs->HiddenLines());
}
TEST_F(ContractionStateTest, Contracting) {
pcs->InsertLines(0,4);
for (int l=0;l<4;l++) {
EXPECT_EQ(true, pcs->GetExpanded(l));
}
pcs->SetExpanded(2, false);
EXPECT_EQ(true, pcs->GetExpanded(1));
EXPECT_EQ(0, pcs->GetExpanded(2));
EXPECT_EQ(true, pcs->GetExpanded(3));
EXPECT_EQ(2, pcs->ContractedNext(0));
EXPECT_EQ(2, pcs->ContractedNext(1));
EXPECT_EQ(2, pcs->ContractedNext(2));
EXPECT_EQ(-1, pcs->ContractedNext(3));
pcs->SetExpanded(2, true);
EXPECT_EQ(true, pcs->GetExpanded(1));
EXPECT_EQ(true, pcs->GetExpanded(2));
EXPECT_EQ(true, pcs->GetExpanded(3));
}
TEST_F(ContractionStateTest, ChangeHeight) {
pcs->InsertLines(0,4);
for (int l=0;l<4;l++) {
EXPECT_EQ(1, pcs->GetHeight(l));
}
pcs->SetHeight(1, 2);
EXPECT_EQ(1, pcs->GetHeight(0));
EXPECT_EQ(2, pcs->GetHeight(1));
EXPECT_EQ(1, pcs->GetHeight(2));
}