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d0d0028207
Change-Id: Ib9bcfaa12d42bf9d2045aef035080b1a990a8b98
GitHub-Last-Rev: bee77a8970
GitHub-Pull-Request: golang/go#38047
Reviewed-on: https://go-review.googlesource.com/c/go/+/225219
Reviewed-by: Martin Möhrmann <moehrmann@google.com>
Run-TryBot: Martin Möhrmann <moehrmann@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
35 lines
1.1 KiB
Go
35 lines
1.1 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.*"
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sink = make(T, uint64(1<<63)) // ERROR "size argument too large in make.*"
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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.*"
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const y = uint64(1 << 63)
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sink = make(T, y) // ERROR "size argument too large in make.*"
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sink = make(T, 0.5) // ERROR "constant 0.5 truncated to integer"
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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.*"
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sink = make(T, float64(1.0)) // ERROR "non-integer size argument in make.*"
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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.*"
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sink = make(T, complex128(1+0i)) // ERROR "non-integer size argument in make.*"
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}
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