1 files changed, 56 insertions, 0 deletions
diff --git a/test/fixedbugs/issue4232.go b/test/fixedbugs/issue4232.go
new file mode 100644
index 0000000..f49c615
--- /dev/null
+++ b/test/fixedbugs/issue4232.go
@@ -0,0 +1,56 @@
+// errorcheck
+
+// Copyright 2013 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.
+
+// issue 4232
+// issue 7200
+
+package p
+
+func f() {
+	var a [10]int
+	_ = a[-1]  // ERROR "invalid array index -1|index out of bounds|must not be negative"
+	_ = a[-1:] // ERROR "invalid slice index -1|index out of bounds|must not be negative"
+	_ = a[:-1] // ERROR "invalid slice index -1|index out of bounds|must not be negative"
+	_ = a[10]  // ERROR "invalid array index 10|index .*out of bounds"
+	_ = a[9:10]
+	_ = a[10:10]
+	_ = a[9:12]            // ERROR "invalid slice index 12|index .*out of bounds"
+	_ = a[11:12]           // ERROR "invalid slice index 11|index .*out of bounds"
+	_ = a[1<<100 : 1<<110] // ERROR "overflows int|integer constant overflow|invalid slice index 1 << 100|index out of bounds"
+
+	var s []int
+	_ = s[-1]  // ERROR "invalid slice index -1|index .*out of bounds|must not be negative"
+	_ = s[-1:] // ERROR "invalid slice index -1|index .*out of bounds|must not be negative"
+	_ = s[:-1] // ERROR "invalid slice index -1|index .*out of bounds|must not be negative"
+	_ = s[10]
+	_ = s[9:10]
+	_ = s[10:10]
+	_ = s[9:12]
+	_ = s[11:12]
+	_ = s[1<<100 : 1<<110] // ERROR "overflows int|integer constant overflow|invalid slice index 1 << 100|index out of bounds"
+
+	const c = "foofoofoof"
+	_ = c[-1]  // ERROR "invalid string index -1|index out of bounds|must not be negative"
+	_ = c[-1:] // ERROR "invalid slice index -1|index out of bounds|must not be negative"
+	_ = c[:-1] // ERROR "invalid slice index -1|index out of bounds|must not be negative"
+	_ = c[10]  // ERROR "invalid string index 10|index .*out of bounds"
+	_ = c[9:10]
+	_ = c[10:10]
+	_ = c[9:12]            // ERROR "invalid slice index 12|index .*out of bounds"
+	_ = c[11:12]           // ERROR "invalid slice index 11|index .*out of bounds"
+	_ = c[1<<100 : 1<<110] // ERROR "overflows int|integer constant overflow|invalid slice index 1 << 100|index out of bounds"
+
+	var t string
+	_ = t[-1]  // ERROR "invalid string index -1|index out of bounds|must not be negative"
+	_ = t[-1:] // ERROR "invalid slice index -1|index out of bounds|must not be negative"
+	_ = t[:-1] // ERROR "invalid slice index -1|index out of bounds|must not be negative"
+	_ = t[10]
+	_ = t[9:10]
+	_ = t[10:10]
+	_ = t[9:12]
+	_ = t[11:12]
+	_ = t[1<<100 : 1<<110] // ERROR "overflows int|integer constant overflow|invalid slice index 1 << 100|index out of bounds"
+}