1 files changed, 25 insertions, 0 deletions
diff --git a/formats/json-tests/commonTest/src/kotlinx/serialization/features/DurationTest.kt b/formats/json-tests/commonTest/src/kotlinx/serialization/features/DurationTest.kt
new file mode 100644
index 00000000..0dbb3f9e
--- /dev/null
+++ b/formats/json-tests/commonTest/src/kotlinx/serialization/features/DurationTest.kt
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2017-2022 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package kotlinx.serialization.features
+
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.JsonTestBase
+import kotlin.test.Test
+import kotlin.time.Duration
+import kotlin.time.DurationUnit
+import kotlin.time.toDuration
+
+class DurationTest : JsonTestBase() {
+    @Serializable
+    data class DurationHolder(val duration: Duration)
+    @Test
+    fun testDuration() {
+        assertJsonFormAndRestored(
+            DurationHolder.serializer(),
+            DurationHolder(1000.toDuration(DurationUnit.SECONDS)),
+            """{"duration":"PT16M40S"}"""
+        )
+    }
+}