Initial commit: Go 1.23 release state

test/if.go

@@ -0,0 +1,93 @@
+// 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 if statements in various forms.
+
+package main
+
+func assertequal(is, shouldbe int, msg string) {
+	if is != shouldbe {
+		print("assertion fail", msg, "\n")
+		panic(1)
+	}
+}
+
+func main() {
+	i5 := 5
+	i7 := 7
+
+	var count int
+
+	count = 0
+	if true {
+		count = count + 1
+	}
+	assertequal(count, 1, "if true")
+
+	count = 0
+	if false {
+		count = count + 1
+	}
+	assertequal(count, 0, "if false")
+
+	count = 0
+	if one := 1; true {
+		count = count + one
+	}
+	assertequal(count, 1, "if true one")
+
+	count = 0
+	if one := 1; false {
+		count = count + 1
+		_ = one
+	}
+	assertequal(count, 0, "if false one")
+
+	count = 0
+	if i5 < i7 {
+		count = count + 1
+	}
+	assertequal(count, 1, "if cond")
+
+	count = 0
+	if true {
+		count = count + 1
+	} else {
+		count = count - 1
+	}
+	assertequal(count, 1, "if else true")
+
+	count = 0
+	if false {
+		count = count + 1
+	} else {
+		count = count - 1
+	}
+	assertequal(count, -1, "if else false")
+
+	count = 0
+	if t := 1; false {
+		count = count + 1
+		_ = t
+		t := 7
+		_ = t
+	} else {
+		count = count - t
+	}
+	assertequal(count, -1, "if else false var")
+
+	count = 0
+	t := 1
+	if false {
+		count = count + 1
+		t := 7
+		_ = t
+	} else {
+		count = count - t
+	}
+	_ = t
+	assertequal(count, -1, "if else false var outside")
+}