Improve toString() for lambdas and function expressions

#KT-9952 Fixed
2016-02-15 18:04:40 +03:00
parent bab127ad33
commit eef3631b8a
8 changed files with 102 additions and 19 deletions
@@ -0,0 +1,33 @@
+fun check(expected: String, obj: Any?) {
+    val actual = obj.toString()
+    if (actual != expected)
+        throw AssertionError("Expected: $expected, actual: $actual")
+}
+
+fun box(): String {
+    check("Function0<kotlin.Unit>")
+    { -> }
+    check("Function0<java.lang.Integer>")
+    { -> 42 }
+    check("Function1<java.lang.String, java.lang.Long>",
+          fun (s: String) = 42.toLong())
+    check("Function2<java.lang.Integer, java.lang.Integer, kotlin.Unit>")
+    { x: Int, y: Int -> }
+
+    check("Function1<java.lang.Integer, kotlin.Unit>",
+          fun Int.() {})
+    check("Function1<kotlin.Unit, java.lang.Integer>",
+          fun Unit.(): Int? = 42)
+    check("Function2<java.lang.String, java.lang.String, java.lang.Long>",
+          fun String.(s: String?): Long = 42.toLong())
+    check("Function3<java.util.List<? extends java.lang.String>, java.util.Set<?>, ?, kotlin.Unit>",
+          fun List<String>.(x: MutableSet<*>, y: Nothing) {})
+
+    check("Function8<int[], byte[], short[], char[], long[], boolean[], float[], double[], java.lang.Integer[]>",
+          fun (ia: IntArray, ba: ByteArray, sa: ShortArray, ca: CharArray, la: LongArray, za: BooleanArray, fa: FloatArray, da: DoubleArray): Array<Int> = null!!)
+
+    check("Function1<java.util.List<? extends java.lang.String>[][][], java.lang.Comparable<? super java.lang.String>>",
+          fun (a: Array<Array<Array<List<String>>>>): Comparable<String> = null!!)
+
+    return "OK"
+}