Initial commit: Go 1.23 release state

test/map1.go

@@ -0,0 +1,68 @@
+// errorcheck
+
+// Copyright 2011 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 map declarations of many types, including erroneous ones.
+// Does not compile.
+
+package main
+
+type v bool
+
+var (
+	// valid
+	_ map[int8]v
+	_ map[uint8]v
+	_ map[int16]v
+	_ map[uint16]v
+	_ map[int32]v
+	_ map[uint32]v
+	_ map[int64]v
+	_ map[uint64]v
+	_ map[int]v
+	_ map[uint]v
+	_ map[uintptr]v
+	_ map[float32]v
+	_ map[float64]v
+	_ map[complex64]v
+	_ map[complex128]v
+	_ map[bool]v
+	_ map[string]v
+	_ map[chan int]v
+	_ map[*int]v
+	_ map[struct{}]v
+	_ map[[10]int]v
+
+	// invalid
+	_ map[[]int]v       // ERROR "invalid map key"
+	_ map[func()]v      // ERROR "invalid map key"
+	_ map[map[int]int]v // ERROR "invalid map key"
+	_ map[T1]v    // ERROR "invalid map key"
+	_ map[T2]v    // ERROR "invalid map key"
+	_ map[T3]v    // ERROR "invalid map key"
+	_ map[T4]v    // ERROR "invalid map key"
+	_ map[T5]v
+	_ map[T6]v
+	_ map[T7]v
+	_ map[T8]v
+)
+
+type T1 []int
+type T2 struct { F T1 }
+type T3 []T4
+type T4 struct { F T3 }
+
+type T5 *int
+type T6 struct { F T5 }
+type T7 *T4
+type T8 struct { F *T7 }
+
+func main() {
+	m := make(map[int]int)
+	delete()        // ERROR "missing arguments|not enough arguments"
+	delete(m)       // ERROR "missing second \(key\) argument|not enough arguments"
+	delete(m, 2, 3) // ERROR "too many arguments"
+	delete(1, m)    // ERROR "first argument to delete must be map|argument 1 must be a map|is not a map"
+}