go errors_test 源码
golang errors_test 代码
文件路径：/src/cmd/compile/internal/types2/errors_test.go
// Copyright 2020 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.
package types2
import "testing"
func TestError(t *testing.T) {
var err error_
want := "no error"
if got := err.String(); got != want {
t.Errorf("empty error: got %q, want %q", got, want)
}
want = "<unknown position>: foo 42"
err.errorf(nopos, "foo %d", 42)
if got := err.String(); got != want {
t.Errorf("simple error: got %q, want %q", got, want)
}
want = "<unknown position>: foo 42\n\tbar 43"
err.errorf(nopos, "bar %d", 43)
if got := err.String(); got != want {
t.Errorf("simple error: got %q, want %q", got, want)
}
}
func TestStripAnnotations(t *testing.T) {
for _, test := range []struct {
in, want string
}{
{"", ""},
{" ", " "},
{"foo", "foo"},
{"foo₀", "foo"},
{"foo(T₀)", "foo(T)"},
} {
got := stripAnnotations(test.in)
if got != test.want {
t.Errorf("%q: got %q; want %q", test.in, got, test.want)
}
}
}
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