vgo

1 files changed, 213 insertions, 0 deletions

diff --git a/vendor/github.com/kr/pretty/diff_test.go b/vendor/github.com/kr/pretty/diff_test.go
new file mode 100644
index 0000000..a951e4b
--- /dev/null
+++ b/vendor/github.com/kr/pretty/diff_test.go
@@ -0,0 +1,213 @@
+package pretty
+
+import (
+	"bytes"
+	"fmt"
+	"log"
+	"reflect"
+	"testing"
+	"unsafe"
+)
+
+var (
+	_ Logfer   = (*testing.T)(nil)
+	_ Logfer   = (*testing.B)(nil)
+	_ Printfer = (*log.Logger)(nil)
+)
+
+type difftest struct {
+	a   interface{}
+	b   interface{}
+	exp []string
+}
+
+type S struct {
+	A int
+	S *S
+	I interface{}
+	C []int
+}
+
+type (
+	N struct{ N int }
+	E interface{}
+)
+
+var (
+	c0 = make(chan int)
+	c1 = make(chan int)
+	f0 = func() {}
+	f1 = func() {}
+	i0 = 0
+	i1 = 1
+)
+
+var diffs = []difftest{
+	{a: nil, b: nil},
+	{a: S{A: 1}, b: S{A: 1}},
+
+	{0, "", []string{`int != string`}},
+	{0, 1, []string{`0 != 1`}},
+	{S{}, new(S), []string{`pretty.S != *pretty.S`}},
+	{"a", "b", []string{`"a" != "b"`}},
+	{S{}, S{A: 1}, []string{`A: 0 != 1`}},
+	{new(S), &S{A: 1}, []string{`A: 0 != 1`}},
+	{S{S: new(S)}, S{S: &S{A: 1}}, []string{`S.A: 0 != 1`}},
+	{S{}, S{I: 0}, []string{`I: nil != int(0)`}},
+	{S{I: 1}, S{I: "x"}, []string{`I: int != string`}},
+	{S{}, S{C: []int{1}}, []string{`C: []int[0] != []int[1]`}},
+	{S{C: []int{}}, S{C: []int{1}}, []string{`C: []int[0] != []int[1]`}},
+	{S{C: []int{1, 2, 3}}, S{C: []int{1, 2, 4}}, []string{`C[2]: 3 != 4`}},
+	{S{}, S{A: 1, S: new(S)}, []string{`A: 0 != 1`, `S: nil != &pretty.S{}`}},
+
+	// unexported fields of every reflect.Kind (both equal and unequal)
+	{struct{ x bool }{false}, struct{ x bool }{false}, nil},
+	{struct{ x bool }{false}, struct{ x bool }{true}, []string{`x: false != true`}},
+	{struct{ x int }{0}, struct{ x int }{0}, nil},
+	{struct{ x int }{0}, struct{ x int }{1}, []string{`x: 0 != 1`}},
+	{struct{ x int8 }{0}, struct{ x int8 }{0}, nil},
+	{struct{ x int8 }{0}, struct{ x int8 }{1}, []string{`x: 0 != 1`}},
+	{struct{ x int16 }{0}, struct{ x int16 }{0}, nil},
+	{struct{ x int16 }{0}, struct{ x int16 }{1}, []string{`x: 0 != 1`}},
+	{struct{ x int32 }{0}, struct{ x int32 }{0}, nil},
+	{struct{ x int32 }{0}, struct{ x int32 }{1}, []string{`x: 0 != 1`}},
+	{struct{ x int64 }{0}, struct{ x int64 }{0}, nil},
+	{struct{ x int64 }{0}, struct{ x int64 }{1}, []string{`x: 0 != 1`}},
+	{struct{ x uint }{0}, struct{ x uint }{0}, nil},
+	{struct{ x uint }{0}, struct{ x uint }{1}, []string{`x: 0 != 1`}},
+	{struct{ x uint8 }{0}, struct{ x uint8 }{0}, nil},
+	{struct{ x uint8 }{0}, struct{ x uint8 }{1}, []string{`x: 0 != 1`}},
+	{struct{ x uint16 }{0}, struct{ x uint16 }{0}, nil},
+	{struct{ x uint16 }{0}, struct{ x uint16 }{1}, []string{`x: 0 != 1`}},
+	{struct{ x uint32 }{0}, struct{ x uint32 }{0}, nil},
+	{struct{ x uint32 }{0}, struct{ x uint32 }{1}, []string{`x: 0 != 1`}},
+	{struct{ x uint64 }{0}, struct{ x uint64 }{0}, nil},
+	{struct{ x uint64 }{0}, struct{ x uint64 }{1}, []string{`x: 0 != 1`}},
+	{struct{ x uintptr }{0}, struct{ x uintptr }{0}, nil},
+	{struct{ x uintptr }{0}, struct{ x uintptr }{1}, []string{`x: 0 != 1`}},
+	{struct{ x float32 }{0}, struct{ x float32 }{0}, nil},
+	{struct{ x float32 }{0}, struct{ x float32 }{1}, []string{`x: 0 != 1`}},
+	{struct{ x float64 }{0}, struct{ x float64 }{0}, nil},
+	{struct{ x float64 }{0}, struct{ x float64 }{1}, []string{`x: 0 != 1`}},
+	{struct{ x complex64 }{0}, struct{ x complex64 }{0}, nil},
+	{struct{ x complex64 }{0}, struct{ x complex64 }{1}, []string{`x: (0+0i) != (1+0i)`}},
+	{struct{ x complex128 }{0}, struct{ x complex128 }{0}, nil},
+	{struct{ x complex128 }{0}, struct{ x complex128 }{1}, []string{`x: (0+0i) != (1+0i)`}},
+	{struct{ x [1]int }{[1]int{0}}, struct{ x [1]int }{[1]int{0}}, nil},
+	{struct{ x [1]int }{[1]int{0}}, struct{ x [1]int }{[1]int{1}}, []string{`x[0]: 0 != 1`}},
+	{struct{ x chan int }{c0}, struct{ x chan int }{c0}, nil},
+	{struct{ x chan int }{c0}, struct{ x chan int }{c1}, []string{fmt.Sprintf("x: %p != %p", c0, c1)}},
+	{struct{ x func() }{f0}, struct{ x func() }{f0}, nil},
+	{struct{ x func() }{f0}, struct{ x func() }{f1}, []string{fmt.Sprintf("x: %p != %p", f0, f1)}},
+	{struct{ x interface{} }{0}, struct{ x interface{} }{0}, nil},
+	{struct{ x interface{} }{0}, struct{ x interface{} }{1}, []string{`x: 0 != 1`}},
+	{struct{ x interface{} }{0}, struct{ x interface{} }{""}, []string{`x: int != string`}},
+	{struct{ x interface{} }{0}, struct{ x interface{} }{nil}, []string{`x: int(0) != nil`}},
+	{struct{ x interface{} }{nil}, struct{ x interface{} }{0}, []string{`x: nil != int(0)`}},
+	{struct{ x map[int]int }{map[int]int{0: 0}}, struct{ x map[int]int }{map[int]int{0: 0}}, nil},
+	{struct{ x map[int]int }{map[int]int{0: 0}}, struct{ x map[int]int }{map[int]int{0: 1}}, []string{`x[0]: 0 != 1`}},
+	{struct{ x *int }{new(int)}, struct{ x *int }{new(int)}, nil},
+	{struct{ x *int }{&i0}, struct{ x *int }{&i1}, []string{`x: 0 != 1`}},
+	{struct{ x *int }{nil}, struct{ x *int }{&i0}, []string{`x: nil != &int(0)`}},
+	{struct{ x *int }{&i0}, struct{ x *int }{nil}, []string{`x: &int(0) != nil`}},
+	{struct{ x []int }{[]int{0}}, struct{ x []int }{[]int{0}}, nil},
+	{struct{ x []int }{[]int{0}}, struct{ x []int }{[]int{1}}, []string{`x[0]: 0 != 1`}},
+	{struct{ x string }{"a"}, struct{ x string }{"a"}, nil},
+	{struct{ x string }{"a"}, struct{ x string }{"b"}, []string{`x: "a" != "b"`}},
+	{struct{ x N }{N{0}}, struct{ x N }{N{0}}, nil},
+	{struct{ x N }{N{0}}, struct{ x N }{N{1}}, []string{`x.N: 0 != 1`}},
+	{
+		struct{ x unsafe.Pointer }{unsafe.Pointer(uintptr(0))},
+		struct{ x unsafe.Pointer }{unsafe.Pointer(uintptr(0))},
+		nil,
+	},
+	{
+		struct{ x unsafe.Pointer }{unsafe.Pointer(uintptr(0))},
+		struct{ x unsafe.Pointer }{unsafe.Pointer(uintptr(1))},
+		[]string{`x: 0x0 != 0x1`},
+	},
+}
+
+func TestDiff(t *testing.T) {
+	for _, tt := range diffs {
+		got := Diff(tt.a, tt.b)
+		eq := len(got) == len(tt.exp)
+		if eq {
+			for i := range got {
+				eq = eq && got[i] == tt.exp[i]
+			}
+		}
+		if !eq {
+			t.Errorf("diffing % #v", tt.a)
+			t.Errorf("with    % #v", tt.b)
+			diffdiff(t, got, tt.exp)
+			continue
+		}
+	}
+}
+
+func TestKeyEqual(t *testing.T) {
+	var emptyInterfaceZero interface{} = 0
+
+	cases := []interface{}{
+		new(bool),
+		new(int),
+		new(int8),
+		new(int16),
+		new(int32),
+		new(int64),
+		new(uint),
+		new(uint8),
+		new(uint16),
+		new(uint32),
+		new(uint64),
+		new(uintptr),
+		new(float32),
+		new(float64),
+		new(complex64),
+		new(complex128),
+		new([1]int),
+		new(chan int),
+		new(unsafe.Pointer),
+		new(interface{}),
+		&emptyInterfaceZero,
+		new(*int),
+		new(string),
+		new(struct{ int }),
+	}
+
+	for _, test := range cases {
+		rv := reflect.ValueOf(test).Elem()
+		if !keyEqual(rv, rv) {
+			t.Errorf("keyEqual(%s, %s) = false want true", rv.Type(), rv.Type())
+		}
+	}
+}
+
+func TestFdiff(t *testing.T) {
+	var buf bytes.Buffer
+	Fdiff(&buf, 0, 1)
+	want := "0 != 1\n"
+	if got := buf.String(); got != want {
+		t.Errorf("Fdiff(0, 1) = %q want %q", got, want)
+	}
+}
+
+func diffdiff(t *testing.T, got, exp []string) {
+	minus(t, "unexpected:", got, exp)
+	minus(t, "missing:", exp, got)
+}
+
+func minus(t *testing.T, s string, a, b []string) {
+	var i, j int
+	for i = 0; i < len(a); i++ {
+		for j = 0; j < len(b); j++ {
+			if a[i] == b[j] {
+				break
+			}
+		}
+		if j == len(b) {
+			t.Error(s, a[i])
+		}
+	}
+}