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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.task.util.editor;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class TextBufferImplTest {
private final TextBufferImpl textBuffer = new TextBufferImpl();
@Test
void testWrite() {
assertEquals("", textBuffer.getString());
assertWrite(2, 0, "foo\nbar\n",
0, 0, "foo\nbar\n");
assertWrite(1, 6, "fofirst\nsecondo\nbar\n",
0, 2, "first\nsecond");
assertWrite(3, 1, "fofirst\nsecondo\nbar\na",
3, 0, "a");
assertWrite(4, 0, "fofirst\nsecondo\nbar\na\n",
3, 1, "\n");
}
@Test
void testDelete() {
write(0, 0, "foo\nbar\nzoo\n");
delete(0, 2, 2, 1);
assertEquals("fooo\n", textBuffer.getString());
delete(0, 4, 1, 0);
assertEquals("fooo", textBuffer.getString());
delete(0, 0, 0, 4);
assertEquals("", textBuffer.getString());
delete(0, 0, 0, 0);
assertEquals("", textBuffer.getString());
}
private void assertWrite(int expectedLineIndex, int expectedColumnIndex, String expectedString,
int lineIndex, int columnIndex, String text) {
Position position = write(lineIndex, columnIndex, text);
assertEquals(new Position(expectedLineIndex, expectedColumnIndex), position);
assertEquals(expectedString, textBuffer.getString());
}
private Position write(int lineIndex, int columnIndex, String text) {
return textBuffer.write(new Position(lineIndex, columnIndex), text);
}
private void delete(int startLineIndex, int startColumnIndex,
int endLineIndex, int endColumnIndex) {
textBuffer.delete(new Position(startLineIndex, startColumnIndex),
new Position(endLineIndex, endColumnIndex));
}
}
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