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This is a port of CL 312212, CL 312591 (except check_test.go), and CL 312790 to types2. Updates #19367. Updates #40481. Change-Id: I58ba0b0dad157baba3f82c909d5eb1268b931be4 Reviewed-on: https://go-review.googlesource.com/c/go/+/312511 Trust: Matthew Dempsky <mdempsky@google.com> Trust: Robert Griesemer <gri@golang.org> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org>
35 lines
1.3 KiB
Go
35 lines
1.3 KiB
Go
// errorcheck
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// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Ensure that typed non-integer, negative and too large
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// values are not accepted as size argument in make for
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// maps.
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package main
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type T map[int]int
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var sink T
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func main() {
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sink = make(T, -1) // ERROR "negative size argument in make.*|must not be negative"
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sink = make(T, uint64(1<<63)) // ERROR "size argument too large in make.*|overflows int"
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// Test that errors are emitted at call sites, not const declarations
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const x = -1
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sink = make(T, x) // ERROR "negative size argument in make.*|must not be negative"
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const y = uint64(1 << 63)
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sink = make(T, y) // ERROR "size argument too large in make.*|overflows int"
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sink = make(T, 0.5) // ERROR "constant 0.5 truncated to integer|truncated to int"
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sink = make(T, 1.0)
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sink = make(T, float32(1.0)) // ERROR "non-integer size argument in make.*|must be integer"
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sink = make(T, float64(1.0)) // ERROR "non-integer size argument in make.*|must be integer"
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sink = make(T, 1+0i)
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sink = make(T, complex64(1+0i)) // ERROR "non-integer size argument in make.*|must be integer"
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sink = make(T, complex128(1+0i)) // ERROR "non-integer size argument in make.*|must be integer"
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}
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