Initial commit: Go 1.23 release state

test/ken/range.go

@@ -0,0 +1,121 @@
+// run
+
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Test 'for range' on arrays, slices, and maps.
+
+package main
+
+const size = 16
+
+var a [size]byte
+var p []byte
+var m map[int]byte
+
+func f(k int) byte {
+	return byte(k * 10007 % size)
+}
+
+func init() {
+	p = make([]byte, size)
+	m = make(map[int]byte)
+	for k := 0; k < size; k++ {
+		v := f(k)
+		a[k] = v
+		p[k] = v
+		m[k] = v
+	}
+}
+
+func main() {
+	var i int
+
+	/*
+	 * key only
+	 */
+	i = 0
+	for k := range a {
+		v := a[k]
+		if v != f(k) {
+			println("key array range", k, v, a[k])
+			panic("fail")
+		}
+		i++
+	}
+	if i != size {
+		println("key array size", i)
+		panic("fail")
+	}
+
+	i = 0
+	for k := range p {
+		v := p[k]
+		if v != f(k) {
+			println("key pointer range", k, v, p[k])
+			panic("fail")
+		}
+		i++
+	}
+	if i != size {
+		println("key pointer size", i)
+		panic("fail")
+	}
+
+	i = 0
+	for k := range m {
+		v := m[k]
+		if v != f(k) {
+			println("key map range", k, v, m[k])
+			panic("fail")
+		}
+		i++
+	}
+	if i != size {
+		println("key map size", i)
+		panic("fail")
+	}
+
+	/*
+	 * key,value
+	 */
+	i = 0
+	for k, v := range a {
+		if v != f(k) {
+			println("key:value array range", k, v, a[k])
+			panic("fail")
+		}
+		i++
+	}
+	if i != size {
+		println("key:value array size", i)
+		panic("fail")
+	}
+
+	i = 0
+	for k, v := range p {
+		if v != f(k) {
+			println("key:value pointer range", k, v, p[k])
+			panic("fail")
+		}
+		i++
+	}
+	if i != size {
+		println("key:value pointer size", i)
+		panic("fail")
+	}
+
+	i = 0
+	for k, v := range m {
+		if v != f(k) {
+			println("key:value map range", k, v, m[k])
+			panic("fail")
+		}
+		i++
+	}
+	if i != size {
+		println("key:value map size", i)
+		panic("fail")
+	}
+}