Add unit test

Signed-off-by: Arthur Chan <arthur.chan@adalogics.com>
fusesource · Aug 22, 2023 · 4753292 · 4753292
1 parent 1e54c06
commit 4753292
Showing 1 changed file with 28 additions and 1 deletion.
diff --git a/src/test/java/org/fusesource/jansi/AnsiTest.java b/src/test/java/org/fusesource/jansi/AnsiTest.java
@@ -21,6 +21,7 @@
 import org.junit.jupiter.params.provider.CsvSource;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.fail;
 
 /**
  * Tests for the {@link Ansi} class.
@@ -64,6 +65,32 @@ public void apply(Ansi ansi) {
         }).toString());
     }
 
+    @ParameterizedTest
+    @CsvSource({
+        "-2147483648,ESC[2147483647T", "2147483647,ESC[2147483647S",
+        "-100000,ESC[100000T", "100000,ESC[100000S"
+    })
+    public void testScrollUp(int x, String expected) {
+        try {
+          assertAnsi(expected, Ansi.ansi().scrollUp(x));
+        } catch (StackOverflowError e) {
+          fail("Infinite loop detected.");
+        }
+    }
+
+    @ParameterizedTest
+    @CsvSource({
+        "-2147483648,ESC[2147483647S", "2147483647,ESC[2147483647T",
+        "-100000,ESC[100000S", "100000,ESC[100000T"
+    })
+    public void testScrollDown(int x, String expected) {
+        try {
+          assertAnsi(expected, Ansi.ansi().scrollDown(x));
+        } catch (StackOverflowError e) {
+          fail("Infinite loop detected.");
+        }
+    }
+
     @ParameterizedTest
     @CsvSource({
         "-1,-1,ESC[1;1H", "-1,0,ESC[1;1H", "-1,1,ESC[1;1H", "-1,2,ESC[1;2H",
@@ -152,4 +179,4 @@ public void testColorDisabled() {
     private static void assertAnsi(String expected, Ansi actual) {
         assertEquals(expected.replace("ESC", "\033"), actual.toString());
     }
-}
+}