src/main/java/com/keenwrite/util/CyclicIterator.java

		private int computeIndex( final int direction ) {
		final var i = mIndex + direction;
		- final var result = i < 0 ? list.size() - 1 : (i % list.size());
		+ final var size = list.size();
		+ final var result = i < 0
		+ ? size - 1
		+ : size == 0 ? 0 : i % size;

		// Ensure the invariant holds.
		- assert 0 <= result && result < list.size();
		+ assert 0 <= result && result < size \|\| size == 0 && result <= 0;

		return result;

src/main/resources/fonts/noto-serif/NotoSerif-Bold.ttf

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src/main/resources/fonts/noto-serif/NotoSerif-BoldItalic.ttf

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src/main/resources/fonts/noto-serif/NotoSerif-Italic.ttf

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src/main/resources/fonts/noto-serif/NotoSerif-Regular.ttf

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src/test/java/com/keenwrite/util/CyclicIteratorTest.java

		import java.util.ListIterator;

		-import static org.junit.jupiter.api.Assertions.assertEquals;
		-import static org.junit.jupiter.api.Assertions.assertTrue;
		+import static org.junit.jupiter.api.Assertions.*;

		/**


		assertEquals( iterator.previous(), list.get( list.size() - 1 ) );
		+ }
		+
		+ @Test
		+ public void test_Empty_Next_Exception() {
		+ final var list = List.of();
		+ final var iterator = CyclicIterator.of( list );
		+ assertThrows( ArrayIndexOutOfBoundsException.class, iterator::next );
		+ }
		+
		+ @Test
		+ public void test_Empty_Previous_Exception() {
		+ final var list = List.of();
		+ final var iterator = CyclicIterator.of( list );
		+ assertThrows( ArrayIndexOutOfBoundsException.class, iterator::previous );
		}
		}

Update Noto Serif font, fix cyclic iterator invariant

Author	DaveJarvis <email>
Date	2020-12-13 15:16:23 GMT-0800
Commit	69a550d79a21c8da004548ae902f5cb50c59614b
Parent	fcc94d9
Delta	20 lines added, 4 lines removed, 16-line increase