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Support Unicode 9 for wcwidth (don't squash emojis)

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This commit is contained in:
Fredrik Fornwall
2016-08-04 23:58:09 +02:00
parent c0a5e5f57a
commit f9c642c672
2 changed files with 463 additions and 97 deletions
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30
app/src/test/java/com/termux/terminal/WcWidthTest.java
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@@ -15,6 +15,12 @@ public class WcWidthTest extends TestCase {
}
}
public void testSomeWidthOne() {
assertWidthIs(1, 'å');
assertWidthIs(1, 'ä');
assertWidthIs(1, 'ö');
}
public void testSomeWide() {
assertWidthIs(2, 'Ａ');
assertWidthIs(2, 'Ｂ');
@@ -37,13 +43,21 @@ public class WcWidthTest extends TestCase {
}
public void testCombining() {
assertWidthIs(0, 0x0302);
assertWidthIs(0, 0x0308);
assertWidthIs(0, 0x2060);
assertWidthIs(0, 0x0302);
assertWidthIs(0, 0x0308);
}
public void testWordJoiner() {
// https://en.wikipedia.org/wiki/Word_joiner
// The word joiner (WJ) is a code point in Unicode used to separate words when using scripts
// that do not use explicit spacing. It is encoded since Unicode version 3.2
// (released in 2002) as U+2060 WORD JOINER (HTML ⁠).
// The word joiner does not produce any space, and prohibits a line break at its position.
assertWidthIs(0, 0x2060);
}
public void testWatch() {
assertWidthIs(1, 0x231a);
}
public void testSofthyphen() {
@@ -57,11 +71,13 @@ public class WcWidthTest extends TestCase {
}
public void testHangul() {
assertWidthIs(2, 0x11A3);
assertWidthIs(1, 0x11A3);
}
public void testKoala() {
assertWidthIs(1, 0x1F428);
public void testEmojis() {
assertWidthIs(2, 0x1F428); // KOALA.
assertWidthIs(2, 0x231a); // WATCH.
assertWidthIs(2, 0x1F643); // UPSIDE-DOWN FACE (Unicode 8).
}
}