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📁 ..
📄 addressed_test.go(4.42 KB)
📄 append_test.go(1.16 KB)
📄 arithBoundary_test.go(31.31 KB)
📄 arithConst_test.go(633.8 KB)
📄 arith_test.go(41.51 KB)
📄 array_test.go(3.09 KB)
📄 assert_test.go(2.54 KB)
📄 break_test.go(3.67 KB)
📄 chan_test.go(1.14 KB)
📄 closure_test.go(572 B)
📄 cmpConst_test.go(103.06 KB)
📄 cmp_test.go(903 B)
📄 compound_test.go(2.7 KB)
📄 copy_test.go(150.18 KB)
📄 ctl_test.go(2.33 KB)
📄 deferNoReturn_test.go(481 B)
📄 divbyzero_test.go(1.01 KB)
📄 dupLoad_test.go(1.51 KB)
📄 flowgraph_generator1.go(6.72 KB)
📄 fp_test.go(34.99 KB)
📁 gen
📄 loadstore_test.go(4.79 KB)
📄 map_test.go(721 B)
📁 mysort
📄 namedReturn_test.go(1.63 KB)
📄 phi_test.go(2.21 KB)
📄 ptrsort.go(633 B)
📄 ptrsort.out(77 B)
📄 regalloc_test.go(1.2 KB)
📁 reproducible
📄 short_test.go(1.48 KB)
📄 slice_test.go(850 B)
📄 sqrtConst_test.go(1.26 KB)
📄 string_test.go(4.46 KB)
📄 unsafe_test.go(2.96 KB)
📄 zero_test.go(49.6 KB)

Editing: assert_test.go

// 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.

// Tests type assertion expressions and statements

package main

import (
	"runtime"
	"testing"
)

type (
	S struct{}
	U struct{}

I interface {
		F()
	}
)

var (
	s *S
	u *U
)

func (s *S) F() {}
func (u *U) F() {}

func e2t_ssa(e interface{}) *U {
	return e.(*U)
}

func i2t_ssa(i I) *U {
	return i.(*U)
}

func testAssertE2TOk(t *testing.T) {
	if got := e2t_ssa(u); got != u {
		t.Errorf("e2t_ssa(u)=%v want %v", got, u)
	}
}

func testAssertE2TPanic(t *testing.T) {
	var got *U
	defer func() {
		if got != nil {
			t.Errorf("e2t_ssa(s)=%v want nil", got)
		}
		e := recover()
		err, ok := e.(*runtime.TypeAssertionError)
		if !ok {
			t.Errorf("e2t_ssa(s) panic type %T", e)
		}
		want := "interface conversion: interface {} is *main.S, not *main.U"
		if err.Error() != want {
			t.Errorf("e2t_ssa(s) wrong error, want '%s', got '%s'", want, err.Error())
		}
	}()
	got = e2t_ssa(s)
	t.Errorf("e2t_ssa(s) should panic")

}

func testAssertI2TOk(t *testing.T) {
	if got := i2t_ssa(u); got != u {
		t.Errorf("i2t_ssa(u)=%v want %v", got, u)
	}
}

func testAssertI2TPanic(t *testing.T) {
	var got *U
	defer func() {
		if got != nil {
			t.Errorf("i2t_ssa(s)=%v want nil", got)
		}
		e := recover()
		err, ok := e.(*runtime.TypeAssertionError)
		if !ok {
			t.Errorf("i2t_ssa(s) panic type %T", e)
		}
		want := "interface conversion: main.I is *main.S, not *main.U"
		if err.Error() != want {
			t.Errorf("i2t_ssa(s) wrong error, want '%s', got '%s'", want, err.Error())
		}
	}()
	got = i2t_ssa(s)
	t.Errorf("i2t_ssa(s) should panic")
}

func e2t2_ssa(e interface{}) (*U, bool) {
	u, ok := e.(*U)
	return u, ok
}

func i2t2_ssa(i I) (*U, bool) {
	u, ok := i.(*U)
	return u, ok
}

func testAssertE2T2(t *testing.T) {
	if got, ok := e2t2_ssa(u); !ok || got != u {
		t.Errorf("e2t2_ssa(u)=(%v, %v) want (%v, %v)", got, ok, u, true)
	}
	if got, ok := e2t2_ssa(s); ok || got != nil {
		t.Errorf("e2t2_ssa(s)=(%v, %v) want (%v, %v)", got, ok, nil, false)
	}
}

func testAssertI2T2(t *testing.T) {
	if got, ok := i2t2_ssa(u); !ok || got != u {
		t.Errorf("i2t2_ssa(u)=(%v, %v) want (%v, %v)", got, ok, u, true)
	}
	if got, ok := i2t2_ssa(s); ok || got != nil {
		t.Errorf("i2t2_ssa(s)=(%v, %v) want (%v, %v)", got, ok, nil, false)
	}
}

// TestTypeAssertion tests type assertions.
func TestTypeAssertion(t *testing.T) {
	testAssertE2TOk(t)
	testAssertE2TPanic(t)
	testAssertI2TOk(t)
	testAssertI2TPanic(t)
	testAssertE2T2(t)
	testAssertI2T2(t)
}

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Editing: assert_test.go

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