Fixed visibleParToAllParIndex parameter check (#1022)

Jugen · web-flow · commit cd55c59650fe · 2021-06-17T11:14:02.000+02:00
diff --git a/richtextfx/src/main/java/org/fxmisc/richtext/GenericStyledArea.java b/richtextfx/src/main/java/org/fxmisc/richtext/GenericStyledArea.java
@@ -978,7 +978,7 @@ public final int visibleParToAllParIndex(int visibleParIndex) {
         if (visibleParIndex < 0) {
             throw new IllegalArgumentException("Visible paragraph index cannot be negative but was " + visibleParIndex);
         }
-        if (visibleParIndex >= getVisibleParagraphs().size()) {
+        if (visibleParIndex > 0 && visibleParIndex >= getVisibleParagraphs().size()) {
             throw new IllegalArgumentException(String.format(
                     "Visible paragraphs' last index is [%s] but visibleParIndex was [%s]",
                     getVisibleParagraphs().size() - 1, visibleParIndex)

Original file line number	Diff line number	Diff line change
`@@ -978,7 +978,7 @@ public final int visibleParToAllParIndex(int visibleParIndex) {`
`978`	`978`	`if (visibleParIndex < 0) {`
`979`	`979`	`throw new IllegalArgumentException("Visible paragraph index cannot be negative but was " + visibleParIndex);`
`980`	`980`	`}`
`981`		`- if (visibleParIndex >= getVisibleParagraphs().size()) {`
	`981`	`+ if (visibleParIndex > 0 && visibleParIndex >= getVisibleParagraphs().size()) {`
`982`	`982`	`throw new IllegalArgumentException(String.format(`
`983`	`983`	`"Visible paragraphs' last index is [%s] but visibleParIndex was [%s]",`
`984`	`984`	`getVisibleParagraphs().size() - 1, visibleParIndex)`