1 files changed, 82 insertions, 0 deletions
diff --git a/vespajlib/src/test/java/com/yahoo/text/ParenthesisExpressionPrettyPrinterTest.java b/vespajlib/src/test/java/com/yahoo/text/ParenthesisExpressionPrettyPrinterTest.java
new file mode 100644
index 00000000000..79bdc6a5318
--- /dev/null
+++ b/vespajlib/src/test/java/com/yahoo/text/ParenthesisExpressionPrettyPrinterTest.java
@@ -0,0 +1,82 @@
+// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.text;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author bratseth
+ */
+public class ParenthesisExpressionPrettyPrinterTest {
+
+    @Test
+    public void testBasic() {
+        String expected =
+                "foo(\n" +
+                "  bar(\n" +
+                "    baz(\n" +
+                "    )\n" +
+                "  )\n" +
+                ")\n";
+        assertPrettyPrint(expected, "foo(bar(baz()))");
+    }
+
+    @Test
+    public void testInnerContent() {
+        String expected =
+                "foo(\n" +
+                "  bar(\n" +
+                "    baz(\n" +
+                "      hello world\n" +
+                "    )\n" +
+                "  )\n" +
+                ")\n";
+        assertPrettyPrint(expected, "foo(bar(baz(hello world)))");
+    }
+    @Test
+    public void testUnmatchedStart() {
+        String expected =
+                "foo(\n" +
+                "  (\n" +
+                "    bar(\n" +
+                "      baz(\n" +
+                "      )\n" +
+                "    )\n" +
+                "  )\n" +
+                "  ";
+        assertPrettyPrint(expected, "foo((bar(baz()))");
+    }
+
+    @Test
+    public void testUnmatchedEnd() {
+        String expected =
+                "foo(\n" +
+                "  bar(\n" +
+                "    baz(\n" +
+                "    )\n" +
+                "  )\n" +
+                ")\n" +
+                ")\n";
+        assertPrettyPrint(expected, "foo(bar(baz())))");
+    }
+
+    @Test
+    public void testNoParenthesis() {
+        String expected =
+                "foo bar baz";
+        assertPrettyPrint(expected, "foo bar baz");
+    }
+
+    @Test
+    public void testEmpty() {
+        String expected =
+                "";
+        assertPrettyPrint(expected, "");
+    }
+
+    private void assertPrettyPrint(String expected, String expression) {
+        assertEquals(expected, ParenthesisExpressionPrettyPrinter.prettyPrint(expression));
+    }
+
+}