1 files changed, 49 insertions, 0 deletions
diff --git a/taler-kotlin-common/src/commonTest/kotlin/net/taler/common/TimeTest.kt b/taler-kotlin-common/src/commonTest/kotlin/net/taler/common/TimeTest.kt
new file mode 100644
index 0000000..3ee0a99
--- /dev/null
+++ b/taler-kotlin-common/src/commonTest/kotlin/net/taler/common/TimeTest.kt
@@ -0,0 +1,49 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.common
+
+import kotlinx.serialization.UnstableDefault
+import kotlinx.serialization.json.Json.Default.parse
+import kotlinx.serialization.json.Json.Default.stringify
+import net.taler.common.Timestamp.Companion.NEVER
+import kotlin.random.Random
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+// TODO test other functionality of Timestamp and Duration
+@UnstableDefault
+class TimeTest {
+
+    @Test
+    fun testSerialize() {
+        for (i in 0 until 42) {
+            val t = Random.nextLong()
+            assertEquals("""{"t_ms":$t}""", stringify(Timestamp.serializer(), Timestamp(t)))
+        }
+        assertEquals("""{"t_ms":"never"}""", stringify(Timestamp.serializer(), Timestamp(NEVER)))
+    }
+
+    @Test
+    fun testDeserialize() {
+        for (i in 0 until 42) {
+            val t = Random.nextLong()
+            assertEquals(Timestamp(t), parse(Timestamp.serializer(), """{ "t_ms": $t }"""))
+        }
+        assertEquals(Timestamp(NEVER), parse(Timestamp.serializer(), """{ "t_ms": "never" }"""))
+    }
+
+}