Support equals, hashCode, toString for annotations instantiated with reflection

#KT-13106 Fixed
2016-09-15 16:45:17 +03:00
parent 525937252d
commit 621c6691d0
9 changed files with 377 additions and 5 deletions
@@ -0,0 +1,82 @@
+// WITH_REFLECT
+
+import kotlin.test.assertEquals
+
+annotation class Anno(
+        val b: Byte,
+        val c: Char,
+        val d: Double,
+        val f: Float,
+        val i: Int,
+        val j: Long,
+        val s: Short,
+        val z: Boolean,
+        val ba: ByteArray,
+        val ca: CharArray,
+        val da: DoubleArray,
+        val fa: FloatArray,
+        val ia: IntArray,
+        val ja: LongArray,
+        val sa: ShortArray,
+        val za: BooleanArray,
+        val str: String,
+        val stra: Array<String>
+)
+
+@Anno(
+        1.toByte(),
+        'x',
+        3.14,
+        -2.72f,
+        42424242,
+        239239239239239L,
+        42.toShort(),
+        true,
+        byteArrayOf((-1).toByte()),
+        charArrayOf('y'),
+        doubleArrayOf(-3.14159),
+        floatArrayOf(2.7218f),
+        intArrayOf(424242),
+        longArrayOf(239239239239L),
+        shortArrayOf((-43).toShort()),
+        booleanArrayOf(false, true),
+        "lol",
+        arrayOf("rofl")
+)
+fun foo() {}
+
+fun box(): String {
+    // Construct an annotation with exactly the same parameters, check that the proxy created by Kotlin and by Java reflection are the same and have the same hash code
+    val a1 = Anno::class.constructors.single().call(
+        1.toByte(),
+        'x',
+        3.14,
+        -2.72f,
+        42424242,
+        239239239239239L,
+        42.toShort(),
+        true,
+        byteArrayOf((-1).toByte()),
+        charArrayOf('y'),
+        doubleArrayOf(-3.14159),
+        floatArrayOf(2.7218f),
+        intArrayOf(424242),
+        longArrayOf(239239239239L),
+        shortArrayOf((-43).toShort()),
+        booleanArrayOf(false, true),
+        "lol",
+        arrayOf("rofl")
+    )
+
+    val a2 = ::foo.annotations.single() as Anno
+
+    assertEquals(a1, a2)
+    assertEquals(a2, a1)
+    assertEquals(a1.hashCode(), a2.hashCode())
+
+    assertEquals("@Anno(b=1, c=x, d=3.14, f=-2.72, i=42424242, j=239239239239239, s=42, z=true, " +
+                 "ba=[-1], ca=[y], da=[-3.14159], fa=[2.7218], ia=[424242], ja=[239239239239], sa=[-43], za=[false, true], " +
+                 "str=lol, stra=[rofl])", a1.toString())
+
+    return "OK"
+}