1 files changed, 55 insertions, 0 deletions
diff --git a/formats/json-tests/commonTest/src/kotlinx/serialization/json/JsonGenericTest.kt b/formats/json-tests/commonTest/src/kotlinx/serialization/json/JsonGenericTest.kt
new file mode 100644
index 00000000..c4618086
--- /dev/null
+++ b/formats/json-tests/commonTest/src/kotlinx/serialization/json/JsonGenericTest.kt
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2017-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package kotlinx.serialization.json
+
+import kotlinx.serialization.*
+import kotlinx.serialization.builtins.*
+import kotlin.test.*
+
+class JsonGenericTest : JsonTestBase() {
+
+    @Serializable
+    class Array2DBox(val arr: Array<Array<Double>>) {
+        override fun toString(): String {
+            return arr.contentDeepToString()
+        }
+    }
+
+    @Test
+    fun testWriteDefaultPair() = parametrizedTest { jsonTestingMode ->
+        val pair = 42 to "foo"
+        val serializer = PairSerializer(
+            Int.serializer(),
+            String.serializer()
+        )
+        val s = default.encodeToString(serializer, pair, jsonTestingMode)
+        assertEquals("""{"first":42,"second":"foo"}""", s)
+        val restored = default.decodeFromString(serializer, s, jsonTestingMode)
+        assertEquals(pair, restored)
+    }
+
+    @Test
+    fun testWritePlainTriple() = parametrizedTest { jsonTestingMode ->
+        val triple = Triple(42, "foo", false)
+        val serializer = TripleSerializer(
+            Int.serializer(),
+            String.serializer(),
+            Boolean.serializer()
+        )
+        val s = default.encodeToString(serializer, triple, jsonTestingMode)
+        assertEquals("""{"first":42,"second":"foo","third":false}""", s)
+        val restored = default.decodeFromString(serializer, s, jsonTestingMode)
+        assertEquals(triple, restored)
+    }
+
+    @Test
+    fun testRecursiveArrays() = parametrizedTest { jsonTestingMode ->
+        val arr = Array2DBox(arrayOf(arrayOf(2.1, 1.2), arrayOf(42.3, -3.4)))
+        val str = default.encodeToString(Array2DBox.serializer(), arr, jsonTestingMode)
+        assertEquals("""{"arr":[[2.1,1.2],[42.3,-3.4]]}""", str)
+        val restored = default.decodeFromString(Array2DBox.serializer(), str, jsonTestingMode)
+        assertTrue(arr.arr.contentDeepEquals(restored.arr))
+    }
+}