| // 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 runtime_test |
| |
| import ( |
| "strings" |
| "testing" |
| ) |
| |
| // Test that panics print out the underlying value |
| // when the underlying kind is directly printable. |
| // Issue: https://golang.org/issues/37531 |
| func TestPanicWithDirectlyPrintableCustomTypes(t *testing.T) { |
| tests := []struct { |
| name string |
| wantPanicPrefix string |
| }{ |
| {"panicCustomBool", `panic: main.MyBool(true)`}, |
| {"panicCustomComplex128", `panic: main.MyComplex128(+3.210000e+001+1.000000e+001i)`}, |
| {"panicCustomComplex64", `panic: main.MyComplex64(+1.100000e-001+3.000000e+000i)`}, |
| {"panicCustomFloat32", `panic: main.MyFloat32(-9.370000e+001)`}, |
| {"panicCustomFloat64", `panic: main.MyFloat64(-9.370000e+001)`}, |
| {"panicCustomInt", `panic: main.MyInt(93)`}, |
| {"panicCustomInt8", `panic: main.MyInt8(93)`}, |
| {"panicCustomInt16", `panic: main.MyInt16(93)`}, |
| {"panicCustomInt32", `panic: main.MyInt32(93)`}, |
| {"panicCustomInt64", `panic: main.MyInt64(93)`}, |
| {"panicCustomString", `panic: main.MyString("Panic` + "\n\t" + `line two")`}, |
| {"panicCustomUint", `panic: main.MyUint(93)`}, |
| {"panicCustomUint8", `panic: main.MyUint8(93)`}, |
| {"panicCustomUint16", `panic: main.MyUint16(93)`}, |
| {"panicCustomUint32", `panic: main.MyUint32(93)`}, |
| {"panicCustomUint64", `panic: main.MyUint64(93)`}, |
| {"panicCustomUintptr", `panic: main.MyUintptr(93)`}, |
| } |
| |
| for _, tt := range tests { |
| t := t |
| t.Run(tt.name, func(t *testing.T) { |
| output := runTestProg(t, "testprog", tt.name) |
| if !strings.HasPrefix(output, tt.wantPanicPrefix) { |
| t.Fatalf("%q\nis not present in\n%s", tt.wantPanicPrefix, output) |
| } |
| }) |
| } |
| } |