X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Ftest%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Futils%2FStringsTest.kt;fp=src%2Ftest%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Futils%2FStringsTest.kt;h=e567c0fe73113272f68f11a4bf4c91c81c666ae7;hb=d5bf199171aa509d295985453db0cc130c3665a8;hp=0000000000000000000000000000000000000000;hpb=ab31cd5e716ab4c680051d288e4ad12168d4c0eb;p=Sone.git

diff --git a/src/test/kotlin/net/pterodactylus/sone/utils/StringsTest.kt b/src/test/kotlin/net/pterodactylus/sone/utils/StringsTest.kt
new file mode 100644
index 0000000..e567c0f
--- /dev/null
+++ b/src/test/kotlin/net/pterodactylus/sone/utils/StringsTest.kt
@@ -0,0 +1,33 @@
+package net.pterodactylus.sone.utils
+
+import org.hamcrest.MatcherAssert.assertThat
+import org.hamcrest.Matchers.equalTo
+import org.hamcrest.Matchers.nullValue
+import org.junit.Test
+
+/**
+ * Unit test for [StringsKt].
+ */
+class StringsTest {
+
+	@Test
+	fun `non-empty string is returned as-is`() {
+		assertThat("non-empty".emptyToNull, equalTo("non-empty"))
+	}
+
+	@Test
+	fun `string with whitespace only is returned as null`() {
+		assertThat("   ".emptyToNull, nullValue())
+	}
+
+	@Test
+	fun `zero-length string is returned as null`() {
+		assertThat("".emptyToNull, nullValue())
+	}
+
+	@Test
+	fun `null is returned as null`() {
+		assertThat(null.emptyToNull, nullValue())
+	}
+
+}