tests: Add avm2/edittext_getcharboundaries_missing_glyphs test

This test verifies how getCharBoundaries() work when glyphs are missing.

tests/tests/swfs/avm2/edittext_getcharboundaries_missing_glyphs/Test.as

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+package {
+import flash.display.Sprite;
+import flash.text.TextField;
+import flash.text.TextFormat;
+
+[SWF(width="400", height="400")]
+public class Test extends Sprite {
+    [Embed(source="TestFont.ttf", fontName="TestFont", embedAsCFF="false", unicodeRange="U+0061-U+0066")]
+    private var TestFont:Class;
+
+    private var text:TextField;
+
+    public function Test() {
+        stage.scaleMode = "noScale";
+        text = new TextField();
+        text.border = true;
+        text.x = 10;
+        text.y = 10;
+        text.width = 380;
+        text.height = 380;
+        text.multiline = true;
+        text.embedFonts = true;
+        addChild(text);
+
+        testHtml("<font face='Unknown Font'>x y</font>");
+        testHtml("<font face='TestFont'>x y</font>");
+        testHtml("<font face='TestFont'>abcd ab</font>");
+
+        text.wordWrap = true;
+        testHtml("<p align='justify'><font size='30' face='TestFont'>ab ab abababababa</font></p>");
+        testHtml("<p align='justify'><font size='30' face='TestFont'>ab ab abababababab</font></p>");
+    }
+
+    private function testHtml(htmlText:String):void {
+        text.htmlText = htmlText;
+        trace("Text: " + htmlText.replace(/[\r\n]/g, "\\n"));
+
+        testAt(-5);
+        testAt(-1);
+        for (var i = 0; i <= text.text.length; ++i) {
+            testAt(i);
+        }
+    }
+
+    private function testAt(charIndex:int):void {
+        var bounds = text.getCharBoundaries(charIndex);
+        trace("  text.getCharBoundaries(" + charIndex + ") = " + bounds);
+    }
+}
+}

tests/tests/swfs/avm2/edittext_getcharboundaries_missing_glyphs/output.txt

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+Text: <font face='Unknown Font'>x y</font>
+  text.getCharBoundaries(-5) = null
+  text.getCharBoundaries(-1) = null
+  text.getCharBoundaries(0) = null
+  text.getCharBoundaries(1) = null
+  text.getCharBoundaries(2) = null
+  text.getCharBoundaries(3) = null
+Text: <font face='TestFont'>x y</font>
+  text.getCharBoundaries(-5) = null
+  text.getCharBoundaries(-1) = null
+  text.getCharBoundaries(0) = null
+  text.getCharBoundaries(1) = null
+  text.getCharBoundaries(2) = null
+  text.getCharBoundaries(3) = null
+Text: <font face='TestFont'>abcd ab</font>
+  text.getCharBoundaries(-5) = null
+  text.getCharBoundaries(-1) = null
+  text.getCharBoundaries(0) = (x=2, y=2, w=9.6, h=12)
+  text.getCharBoundaries(1) = (x=11.6, y=2, w=9.6, h=12)
+  text.getCharBoundaries(2) = null
+  text.getCharBoundaries(3) = null
+  text.getCharBoundaries(4) = null
+  text.getCharBoundaries(5) = (x=21.2, y=2, w=9.6, h=12)
+  text.getCharBoundaries(6) = (x=30.8, y=2, w=9.6, h=12)
+  text.getCharBoundaries(7) = null
+Text: <p align='justify'><font size='30' face='TestFont'>ab ab abababababa</font></p>
+  text.getCharBoundaries(-5) = null
+  text.getCharBoundaries(-1) = null
+  text.getCharBoundaries(0) = (x=2, y=2, w=24, h=30)
+  text.getCharBoundaries(1) = (x=26, y=2, w=24, h=30)
+  text.getCharBoundaries(2) = null
+  text.getCharBoundaries(3) = (x=50, y=2, w=24, h=30)
+  text.getCharBoundaries(4) = (x=74, y=2, w=24, h=30)
+  text.getCharBoundaries(5) = null
+  text.getCharBoundaries(6) = (x=98, y=2, w=24, h=30)
+  text.getCharBoundaries(7) = (x=122, y=2, w=24, h=30)
+  text.getCharBoundaries(8) = (x=146, y=2, w=24, h=30)
+  text.getCharBoundaries(9) = (x=170, y=2, w=24, h=30)
+  text.getCharBoundaries(10) = (x=194, y=2, w=24, h=30)
+  text.getCharBoundaries(11) = (x=218, y=2, w=24, h=30)
+  text.getCharBoundaries(12) = (x=242, y=2, w=24, h=30)
+  text.getCharBoundaries(13) = (x=266, y=2, w=24, h=30)
+  text.getCharBoundaries(14) = (x=290, y=2, w=24, h=30)
+  text.getCharBoundaries(15) = (x=314, y=2, w=24, h=30)
+  text.getCharBoundaries(16) = (x=338, y=2, w=24, h=30)
+  text.getCharBoundaries(17) = null
+  text.getCharBoundaries(18) = null
+Text: <p align='justify'><font size='30' face='TestFont'>ab ab abababababab</font></p>
+  text.getCharBoundaries(-5) = null
+  text.getCharBoundaries(-1) = null
+  text.getCharBoundaries(0) = (x=2, y=2, w=24, h=30)
+  text.getCharBoundaries(1) = (x=26, y=2, w=24, h=30)
+  text.getCharBoundaries(2) = (x=50, y=2, w=280, h=30)
+  text.getCharBoundaries(3) = (x=330, y=2, w=24, h=30)
+  text.getCharBoundaries(4) = (x=354, y=2, w=24, h=30)
+  text.getCharBoundaries(5) = null
+  text.getCharBoundaries(6) = (x=2, y=32, w=24, h=30)
+  text.getCharBoundaries(7) = (x=26, y=32, w=24, h=30)
+  text.getCharBoundaries(8) = (x=50, y=32, w=24, h=30)
+  text.getCharBoundaries(9) = (x=74, y=32, w=24, h=30)
+  text.getCharBoundaries(10) = (x=98, y=32, w=24, h=30)
+  text.getCharBoundaries(11) = (x=122, y=32, w=24, h=30)
+  text.getCharBoundaries(12) = (x=146, y=32, w=24, h=30)
+  text.getCharBoundaries(13) = (x=170, y=32, w=24, h=30)
+  text.getCharBoundaries(14) = (x=194, y=32, w=24, h=30)
+  text.getCharBoundaries(15) = (x=218, y=32, w=24, h=30)
+  text.getCharBoundaries(16) = (x=242, y=32, w=24, h=30)
+  text.getCharBoundaries(17) = (x=266, y=32, w=24, h=30)
+  text.getCharBoundaries(18) = null
+  text.getCharBoundaries(19) = null

tests/tests/swfs/avm2/edittext_getcharboundaries_missing_glyphs/test.toml

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+num_ticks = 1