Initial commit: Go 1.23 release state

test/ken/array.go

@@ -0,0 +1,138 @@
+// 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 arrays and slices.
+
+package main
+
+func setpd(a []int) {
+	//	print("setpd a=", a, " len=", len(a), " cap=", cap(a), "\n");
+	for i := 0; i < len(a); i++ {
+		a[i] = i
+	}
+}
+
+func sumpd(a []int) int {
+	//	print("sumpd a=", a, " len=", len(a), " cap=", cap(a), "\n");
+	t := 0
+	for i := 0; i < len(a); i++ {
+		t += a[i]
+	}
+	//	print("sumpd t=", t, "\n");
+	return t
+}
+
+func setpf(a *[20]int) {
+	//	print("setpf a=", a, " len=", len(a), " cap=", cap(a), "\n");
+	for i := 0; i < len(a); i++ {
+		a[i] = i
+	}
+}
+
+func sumpf(a *[20]int) int {
+	//	print("sumpf a=", a, " len=", len(a), " cap=", cap(a), "\n");
+	t := 0
+	for i := 0; i < len(a); i++ {
+		t += a[i]
+	}
+	//	print("sumpf t=", t, "\n");
+	return t
+}
+
+func res(t int, lb, hb int) {
+	sb := (hb - lb) * (hb + lb - 1) / 2
+	if t != sb {
+		print("lb=", lb,
+			"; hb=", hb,
+			"; t=", t,
+			"; sb=", sb,
+			"\n")
+		panic("res")
+	}
+}
+
+// call ptr dynamic with ptr dynamic
+func testpdpd() {
+	a := make([]int, 10, 100)
+	if len(a) != 10 && cap(a) != 100 {
+		print("len and cap from new: ", len(a), " ", cap(a), "\n")
+		panic("fail")
+	}
+
+	a = a[0:100]
+	setpd(a)
+
+	a = a[0:10]
+	res(sumpd(a), 0, 10)
+
+	a = a[5:25]
+	res(sumpd(a), 5, 25)
+
+	a = a[30:95]
+	res(sumpd(a), 35, 100)
+}
+
+// call ptr fixed with ptr fixed
+func testpfpf() {
+	var a [20]int
+
+	setpf(&a)
+	res(sumpf(&a), 0, 20)
+}
+
+// call ptr dynamic with ptr fixed from new
+func testpdpf1() {
+	a := new([40]int)
+	setpd(a[0:])
+	res(sumpd(a[0:]), 0, 40)
+
+	b := (*a)[5:30]
+	res(sumpd(b), 5, 30)
+}
+
+// call ptr dynamic with ptr fixed from var
+func testpdpf2() {
+	var a [80]int
+
+	setpd(a[0:])
+	res(sumpd(a[0:]), 0, 80)
+}
+
+// generate bounds error with ptr dynamic
+func testpdfault() {
+	a := make([]int, 100)
+
+	print("good\n")
+	for i := 0; i < 100; i++ {
+		a[i] = 0
+	}
+	print("should fault\n")
+	a[100] = 0
+	print("bad\n")
+}
+
+// generate bounds error with ptr fixed
+func testfdfault() {
+	var a [80]int
+
+	print("good\n")
+	for i := 0; i < 80; i++ {
+		a[i] = 0
+	}
+	print("should fault\n")
+	x := 80
+	a[x] = 0
+	print("bad\n")
+}
+
+func main() {
+	testpdpd()
+	testpfpf()
+	testpdpf1()
+	testpdpf2()
+	//	print("testpdfault\n");	testpdfault();
+	//	print("testfdfault\n");	testfdfault();
+}