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go/test/fixedbugs/issue13559.go
Robert Griesemer 732e2cd746 cmd/compile: don't truncate tiny float constants to 0 in error messages
Fixes #13559.

Change-Id: I6fe8b5083192e8eb6c1b3ca1919fde81a00ccb7e
Reviewed-on: https://go-review.googlesource.com/17695
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
2015-12-10 16:39:46 +00:00

90 lines
4.3 KiB
Go

// errorcheck
// Copyright 2015 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.
// Verify that error messages print meaningful values
// for various extreme floating-point constants.
package p
// failure case in issue
const _ int64 = 1e-10000 // ERROR "1e\-10000 truncated"
const (
_ int64 = 1e10000000 // ERROR "1e\+10000000 overflows"
_ int64 = 1e1000000 // ERROR "1e\+1000000 overflows"
_ int64 = 1e100000 // ERROR "1e\+100000 overflows"
_ int64 = 1e10000 // ERROR "1e\+10000 overflows"
_ int64 = 1e1000 // ERROR "1e\+1000 overflows"
_ int64 = 1e100 // ERROR "10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 overflows"
_ int64 = 1e10
_ int64 = 1e1
_ int64 = 1e0
_ int64 = 1e-1 // ERROR "0\.1 truncated"
_ int64 = 1e-10 // ERROR "1e\-10 truncated"
_ int64 = 1e-100 // ERROR "1e\-100 truncated"
_ int64 = 1e-1000 // ERROR "1e\-1000 truncated"
_ int64 = 1e-10000 // ERROR "1e\-10000 truncated"
_ int64 = 1e-100000 // ERROR "1e\-100000 truncated"
_ int64 = 1e-1000000 // ERROR "1e\-1000000 truncated"
)
const (
_ int64 = -1e10000000 // ERROR "\-1e\+10000000 overflows"
_ int64 = -1e1000000 // ERROR "\-1e\+1000000 overflows"
_ int64 = -1e100000 // ERROR "\-1e\+100000 overflows"
_ int64 = -1e10000 // ERROR "\-1e\+10000 overflows"
_ int64 = -1e1000 // ERROR "\-1e\+1000 overflows"
_ int64 = -1e100 // ERROR "\-10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 overflows"
_ int64 = -1e10
_ int64 = -1e1
_ int64 = -1e0
_ int64 = -1e-1 // ERROR "\-0\.1 truncated"
_ int64 = -1e-10 // ERROR "\-1e\-10 truncated"
_ int64 = -1e-100 // ERROR "\-1e\-100 truncated"
_ int64 = -1e-1000 // ERROR "\-1e\-1000 truncated"
_ int64 = -1e-10000 // ERROR "\-1e\-10000 truncated"
_ int64 = -1e-100000 // ERROR "\-1e\-100000 truncated"
_ int64 = -1e-1000000 // ERROR "\-1e\-1000000 truncated"
)
const (
_ int64 = 1.23456789e10000000 // ERROR "1\.23457e\+10000000 overflows"
_ int64 = 1.23456789e1000000 // ERROR "1\.23457e\+1000000 overflows"
_ int64 = 1.23456789e100000 // ERROR "1\.23457e\+100000 overflows"
_ int64 = 1.23456789e10000 // ERROR "1\.23457e\+10000 overflows"
_ int64 = 1.23456789e1000 // ERROR "1\.23457e\+1000 overflows"
_ int64 = 1.23456789e100 // ERROR "12345678900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 overflows"
_ int64 = 1.23456789e10
_ int64 = 1.23456789e1 // ERROR "12\.3457 truncated"
_ int64 = 1.23456789e0 // ERROR "1\.23457 truncated"
_ int64 = 1.23456789e-1 // ERROR "0\.123457 truncated"
_ int64 = 1.23456789e-10 // ERROR "1\.23457e\-10 truncated"
_ int64 = 1.23456789e-100 // ERROR "1\.23457e\-100 truncated"
_ int64 = 1.23456789e-1000 // ERROR "1\.23457e\-1000 truncated"
_ int64 = 1.23456789e-10000 // ERROR "1\.23457e\-10000 truncated"
_ int64 = 1.23456789e-100000 // ERROR "1\.23457e\-100000 truncated"
_ int64 = 1.23456789e-1000000 // ERROR "1\.23457e\-1000000 truncated"
)
const (
_ int64 = -1.23456789e10000000 // ERROR "\-1\.23457e\+10000000 overflows"
_ int64 = -1.23456789e1000000 // ERROR "\-1\.23457e\+1000000 overflows"
_ int64 = -1.23456789e100000 // ERROR "\-1\.23457e\+100000 overflows"
_ int64 = -1.23456789e10000 // ERROR "\-1\.23457e\+10000 overflows"
_ int64 = -1.23456789e1000 // ERROR "\-1\.23457e\+1000 overflows"
_ int64 = -1.23456789e100 // ERROR "\-12345678900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 overflows"
_ int64 = -1.23456789e10
_ int64 = -1.23456789e1 // ERROR "\-12\.3457 truncated"
_ int64 = -1.23456789e0 // ERROR "\-1\.23457 truncated"
_ int64 = -1.23456789e-1 // ERROR "\-0\.123457 truncated"
_ int64 = -1.23456789e-10 // ERROR "\-1\.23457e\-10 truncated"
_ int64 = -1.23456789e-100 // ERROR "\-1\.23457e\-100 truncated"
_ int64 = -1.23456789e-1000 // ERROR "\-1\.23457e\-1000 truncated"
_ int64 = -1.23456789e-10000 // ERROR "\-1\.23457e\-10000 truncated"
_ int64 = -1.23456789e-100000 // ERROR "\-1\.23457e\-100000 truncated"
_ int64 = -1.23456789e-1000000 // ERROR "\-1\.23457e\-1000000 truncated"
)