Initial commit: Go 1.23 release state

test/range3.go

@@ -0,0 +1,90 @@
+// run
+
+// Copyright 2023 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 the 'for range' construct ranging over integers.
+
+package main
+
+func testint1() {
+	bad := false
+	j := 0
+	for i := range int(4) {
+		if i != j {
+			println("range var", i, "want", j)
+			bad = true
+		}
+		j++
+	}
+	if j != 4 {
+		println("wrong count ranging over 4:", j)
+		bad = true
+	}
+	if bad {
+		panic("testint1")
+	}
+}
+
+func testint2() {
+	bad := false
+	j := 0
+	for i := range 4 {
+		if i != j {
+			println("range var", i, "want", j)
+			bad = true
+		}
+		j++
+	}
+	if j != 4 {
+		println("wrong count ranging over 4:", j)
+		bad = true
+	}
+	if bad {
+		panic("testint2")
+	}
+}
+
+func testint3() {
+	bad := false
+	type MyInt int
+	j := MyInt(0)
+	for i := range MyInt(4) {
+		if i != j {
+			println("range var", i, "want", j)
+			bad = true
+		}
+		j++
+	}
+	if j != 4 {
+		println("wrong count ranging over 4:", j)
+		bad = true
+	}
+	if bad {
+		panic("testint3")
+	}
+}
+
+// Issue #63378.
+func testint4() {
+	for i := range -1 {
+		_ = i
+		panic("must not be executed")
+	}
+}
+
+// Issue #64471.
+func testint5() {
+	for i := range 'a' {
+		var _ *rune = &i // ensure i has type rune
+	}
+}
+
+func main() {
+	testint1()
+	testint2()
+	testint3()
+	testint4()
+	testint5()
+}