package com.termux.terminal;
public class ResizeTest extends TerminalTestCase {
public void testResizeWhenHasHistory() {
final int cols = 3;
withTerminalSized(cols, 3).enterString("111222333444555666777888999").assertCursorAt(2, 2).assertLinesAre("777", "888", "999");
resize(cols, 5).assertCursorAt(4, 2).assertLinesAre("555", "666", "777", "888", "999");
resize(cols, 3).assertCursorAt(2, 2).assertLinesAre("777", "888", "999");
}
public void testResizeWhenInAltBuffer() {
final int rows = 3, cols = 3;
withTerminalSized(cols, rows).enterString("a\r\ndef$").assertLinesAre("a ", "def", "$ ").assertCursorAt(2, 1);
// Resize and back again while in main buffer:
resize(cols, 5).assertLinesAre("a ", "def", "$ ", " ", " ").assertCursorAt(2, 1);
resize(cols, rows).assertLinesAre("a ", "def", "$ ").assertCursorAt(2, 1);
// Switch to alt buffer:
enterString("\033[?1049h").assertLinesAre(" ", " ", " ").assertCursorAt(2, 1);
enterString("h").assertLinesAre(" ", " ", " h ").assertCursorAt(2, 2);
resize(cols, 5).resize(cols, rows);
// Switch from alt buffer:
enterString("\033[?1049l").assertLinesAre("a ", "def", "$ ").assertCursorAt(2, 1);
}
public void testShrinkingInAltBuffer() {
final int rows = 5;
final int cols = 3;
withTerminalSized(cols, rows).enterString("A\r\nB\r\nC\r\nD\r\nE").assertLinesAre("A ", "B ", "C ", "D ", "E ");
enterString("\033[?1049h").assertLinesAre(" ", " ", " ", " ", " ");
resize(3, 3).enterString("\033[?1049lF").assertLinesAre("C ", "D ", "EF ");
}
public void testResizeAfterNewlineWhenInAltBuffer() {
final int rows = 3;
final int cols = 3;
withTerminalSized(cols, rows);
enterString("a\r\nb\r\nc\r\nd\r\ne\r\nf\r\n").assertLinesAre("e ", "f ", " ").assertCursorAt(2, 0);
assertLineWraps(false, false, false);
// Switch to alt buffer:
enterString("\033[?1049h").assertLinesAre(" ", " ", " ").assertCursorAt(2, 0);
enterString("h").assertLinesAre(" ", " ", "h ").assertCursorAt(2, 1);
// Grow by two rows:
resize(cols, 5).assertLinesAre(" ", " ", "h ", " ", " ").assertCursorAt(2, 1);
resize(cols, rows).assertLinesAre(" ", " ", "h ").assertCursorAt(2, 1);
// Switch from alt buffer:
enterString("\033[?1049l").assertLinesAre("e ", "f ", " ").assertCursorAt(2, 0);
}
public void testResizeAfterHistoryWraparound() {
final int rows = 3;
final int cols = 10;
withTerminalSized(cols, rows);
StringBuilder buffer = new StringBuilder();
for (int i = 0; i < 1000; i++) {
String s = Integer.toString(i);
enterString(s);
buffer.setLength(0);
buffer.append(s);
while (buffer.length() < cols)
buffer.append(' ');
if (i > rows) {
assertLineIs(rows - 1, buffer.toString());
}
enterString("\r\n");
}
assertLinesAre("998 ", "999 ", " ");
mTerminal.resize(cols, 2);
assertLinesAre("999 ", " ");
mTerminal.resize(cols, 5);
assertLinesAre("996 ", "997 ", "998 ", "999 ", " ");
mTerminal.resize(cols, rows);
assertLinesAre("998 ", "999 ", " ");
}
public void testVerticalResize() {
final int rows = 5;
final int cols = 3;
withTerminalSized(cols, rows);
// Foreground color to 119:
enterString("\033[38;5;119m");
// Background color to 129:
enterString("\033[48;5;129m");
// Clear with ED, Erase in Display:
enterString("\033[2J");
for (int r = 0; r < rows; r++) {
for (int c = 0; c < cols; c++) {
long style = getStyleAt(r, c);
assertEquals(119, TextStyle.decodeForeColor(style));
assertEquals(129, TextStyle.decodeBackColor(style));
}
}
enterString("11\r\n22");
assertLinesAre("11 ", "22 ", " ", " ", " ").assertLineWraps(false, false, false, false, false);
resize(cols, rows - 2).assertLinesAre("11 ", "22 ", " ");
// After resize, screen should still be same color:
for (int r = 0; r < rows - 2; r++) {
for (int c = 0; c < cols; c++) {
long style = getStyleAt(r, c);
assertEquals(119, TextStyle.decodeForeColor(style));
assertEquals(129, TextStyle.decodeBackColor(style));
}
}
// Background color to 200 and grow back size (which should be cleared to the new background color):
enterString("\033[48;5;200m");
resize(cols, rows);
for (int r = 0; r < rows; r++) {
for (int c = 0; c < cols; c++) {
long style = getStyleAt(r, c);
assertEquals(119, TextStyle.decodeForeColor(style));
assertEquals("wrong at row=" + r, r >= 3 ? 200 : 129, TextStyle.decodeBackColor(style));
}
}
}
public void testHorizontalResize() {
final int rows = 5;
final int cols = 5;
withTerminalSized(cols, rows);
// Background color to 129:
// enterString("\033[48;5;129m").assertLinesAre(" ", " ", " ", " ", " ");
enterString("1111\r\n2222\r\n3333\r\n4444\r\n5555").assertCursorAt(4, 4);
// assertEquals(129, TextStyle.decodeBackColor(getStyleAt(2, 2)));
assertLinesAre("1111 ", "2222 ", "3333 ", "4444 ", "5555 ").assertLineWraps(false, false, false, false, false);
resize(cols + 2, rows).assertLinesAre("1111 ", "2222 ", "3333 ", "4444 ", "5555 ").assertCursorAt(4, 4);
assertLineWraps(false, false, false, false, false);
resize(cols, rows).assertLinesAre("1111 ", "2222 ", "3333 ", "4444 ", "5555 ").assertCursorAt(4, 4);
assertLineWraps(false, false, false, false, false);
resize(cols - 1, rows).assertLinesAre("2222", "3333", "4444", "5555", " ").assertCursorAt(4, 0);
assertLineWraps(false, false, false, true, false);
resize(cols - 2, rows).assertLinesAre("3 ", "444", "4 ", "555", "5 ").assertCursorAt(4, 1);
assertLineWraps(false, true, false, true, false);
// Back to original size:
resize(cols, rows).assertLinesAre("1111 ", "2222 ", "3333 ", "4444 ", "5555 ").assertCursorAt(4, 4);
assertLineWraps(false, false, false, false, false);
}
public void testLineWrap() {
final int rows = 3, cols = 5;
withTerminalSized(cols, rows).enterString("111111").assertLinesAre("11111", "1 ", " ");
assertCursorAt(1, 1).assertLineWraps(true, false, false);
resize(7, rows).assertCursorAt(0, 6).assertLinesAre("111111 ", " ", " ").assertLineWraps(false, false, false);
resize(cols, rows).assertCursorAt(1, 1).assertLinesAre("11111", "1 ", " ").assertLineWraps(true, false, false);
enterString("2").assertLinesAre("11111", "12 ", " ").assertLineWraps(true, false, false);
enterString("123").assertLinesAre("11111", "12123", " ").assertLineWraps(true, false, false);
enterString("W").assertLinesAre("11111", "12123", "W ").assertLineWraps(true, true, false);
withTerminalSized(cols, rows).enterString("1234512345");
assertLinesAre("12345", "12345", " ").assertLineWraps(true, false, false);
enterString("W").assertLinesAre("12345", "12345", "W ").assertLineWraps(true, true, false);
}
public void testCursorPositionWhenShrinking() {
final int rows = 5, cols = 3;
withTerminalSized(cols, rows).enterString("$ ").assertLinesAre("$ ", " ", " ", " ", " ").assertCursorAt(0, 2);
resize(3, 3).assertLinesAre("$ ", " ", " ").assertCursorAt(0, 2);
resize(cols, rows).assertLinesAre("$ ", " ", " ", " ", " ").assertCursorAt(0, 2);
}
public void testResizeWithCombiningCharInLastColumn() {
withTerminalSized(3, 3).enterString("ABC\u0302DEF").assertLinesAre("ABC\u0302", "DEF", " ");
resize(4, 3).assertLinesAre("ABC\u0302D", "EF ", " ");
// Same as above but with colors:
withTerminalSized(3, 3).enterString("\033[37mA\033[35mB\033[33mC\u0302\033[32mD\033[31mE\033[34mF").assertLinesAre("ABC\u0302",
"DEF", " ");
resize(4, 3).assertLinesAre("ABC\u0302D", "EF ", " ");
assertForegroundIndices(effectLine(7, 5, 3, 2), effectLine(1, 4, 4, 4), effectLine(4, 4, 4, 4));
}
public void testResizeWithLineWrappingContinuing() {
withTerminalSized(5, 3).enterString("\r\nAB DE").assertLinesAre(" ", "AB DE", " ");
resize(4, 3).assertLinesAre("AB D", "E ", " ");
resize(3, 3).assertLinesAre("AB ", "DE ", " ");
resize(5, 3).assertLinesAre(" ", "AB DE", " ");
}
public void testResizeWithWideChars() {
final int rows = 3, cols = 4;
String twoCharsWidthOne = new String(Character.toChars(TerminalRowTest.TWO_JAVA_CHARS_DISPLAY_WIDTH_ONE_1));
withTerminalSized(cols, rows).enterString(twoCharsWidthOne).enterString("\r\n");
enterString(twoCharsWidthOne).assertLinesAre(twoCharsWidthOne + " ", twoCharsWidthOne + " ", " ");
resize(3, 3).assertLinesAre(twoCharsWidthOne + " ", twoCharsWidthOne + " ", " ");
enterString(twoCharsWidthOne).assertLinesAre(twoCharsWidthOne + " ", twoCharsWidthOne + twoCharsWidthOne + " ", " ");
}
public void testResizeWithMoreWideChars() {
final int rows = 4, cols = 5;
withTerminalSized(cols, rows).enterString("qqrr").assertLinesAre("qqrr ", " ", " ", " ");
resize(2, rows).assertLinesAre("qq", "rr", " ", " ");
resize(5, rows).assertLinesAre("qqrr ", " ", " ", " ");
withTerminalSized(cols, rows).enterString("ＱＲ").assertLinesAre("ＱＲ ", " ", " ", " ");
resize(2, rows).assertLinesAre("Ｑ", "Ｒ", " ", " ");
resize(5, rows).assertLinesAre("ＱＲ ", " ", " ", " ");
}
}