Added test for upper/lower on nuls

sksamuel · Dec 30, 2023 · 179a31d · 179a31d
1 parent 7ed0594
commit 179a31d
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/tribune-core/src/test/kotlin/com/sksamuel/tribune/core/strings.kt b/tribune-core/src/test/kotlin/com/sksamuel/tribune/core/strings.kt
@@ -76,11 +76,23 @@ class StringTest : FunSpec() {
          p.parse("abcd") shouldBe Foo("ABCD").right()
       }
 
+      test("uppercaseOrNull") {
+         val p = Parser<String?>().toUppercase().mapIfNotNull { Foo(it) }
+         p.parse("abcd") shouldBe Foo("ABCD").right()
+         p.parse(null) shouldBe Either.Right(null)
+      }
+
       test("lowercase") {
          val p = Parser<String>().toLowercase().map { Foo(it) }
          p.parse("ABCD") shouldBe Foo("abcd").right()
       }
 
+      test("lowercase or null") {
+         val p = Parser<String?>().toLowercase().mapIfNotNull { Foo(it) }
+         p.parse("ABCD") shouldBe Foo("abcd").right()
+         p.parse(null) shouldBe Either.Right(null)
+      }
+
       test("strip") {
          val p = Parser<String>().strip(charArrayOf('a', 'b'))
          p.parse("aaccbb") shouldBe "cc".right()