From 25d0b8365020ef4051dffd4f7704328402914613 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Mon, 15 Aug 2022 00:22:04 -0600 Subject: mkdir -p compat/json && mv borrowed_*_test.go compat/json/ # [ci-skip] --- borrowed_scanner_test.go | 305 ----------------------------------------------- 1 file changed, 305 deletions(-) delete mode 100644 borrowed_scanner_test.go (limited to 'borrowed_scanner_test.go') diff --git a/borrowed_scanner_test.go b/borrowed_scanner_test.go deleted file mode 100644 index c5d67e6..0000000 --- a/borrowed_scanner_test.go +++ /dev/null @@ -1,305 +0,0 @@ -// Copyright 2010 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 lowmemjson // MODIFIED - -import ( - "bytes" - "math" - "math/rand" - "reflect" - "testing" -) - -var validTests = []struct { - data string - ok bool -}{ - {`foo`, false}, - {`}{`, false}, - {`{]`, false}, - {`{}`, true}, - {`{"foo":"bar"}`, true}, - {`{"foo":"bar","bar":{"baz":["qux"]}}`, true}, -} - -func TestValid(t *testing.T) { - for _, tt := range validTests { - if ok := Valid([]byte(tt.data)); ok != tt.ok { - t.Errorf("Valid(%#q) = %v, want %v", tt.data, ok, tt.ok) - } - } -} - -// Tests of simple examples. - -type example struct { - compact string - indent string -} - -var examples = []example{ - {`1`, `1`}, - {`{}`, `{}`}, - {`[]`, `[]`}, - {`{"":2}`, "{\n\t\"\": 2\n}"}, - {`[3]`, "[\n\t3\n]"}, - {`[1,2,3]`, "[\n\t1,\n\t2,\n\t3\n]"}, - {`{"x":1}`, "{\n\t\"x\": 1\n}"}, - {ex1, ex1i}, - {"{\"\":\"<>&\u2028\u2029\"}", "{\n\t\"\": \"<>&\u2028\u2029\"\n}"}, // See golang.org/issue/34070 -} - -var ex1 = `[true,false,null,"x",1,1.5,0,-5e+2]` - -var ex1i = `[ - true, - false, - null, - "x", - 1, - 1.5, - 0, - -5e+2 -]` - -func TestCompact(t *testing.T) { - t.Skip() // TODO - var buf bytes.Buffer - for _, tt := range examples { - buf.Reset() - if err := Compact(&buf, []byte(tt.compact)); err != nil { - t.Errorf("Compact(%#q): %v", tt.compact, err) - } else if s := buf.String(); s != tt.compact { - t.Errorf("Compact(%#q) = %#q, want original", tt.compact, s) - } - - buf.Reset() - if err := Compact(&buf, []byte(tt.indent)); err != nil { - t.Errorf("Compact(%#q): %v", tt.indent, err) - continue - } else if s := buf.String(); s != tt.compact { - t.Errorf("Compact(%#q) = %#q, want %#q", tt.indent, s, tt.compact) - } - } -} - -func TestCompactSeparators(t *testing.T) { - t.Skip() // TODO - // U+2028 and U+2029 should be escaped inside strings. - // They should not appear outside strings. - tests := []struct { - in, compact string - }{ - {"{\"\u2028\": 1}", "{\"\u2028\":1}"}, - {"{\"\u2029\" :2}", "{\"\u2029\":2}"}, - } - for _, tt := range tests { - var buf bytes.Buffer - if err := Compact(&buf, []byte(tt.in)); err != nil { - t.Errorf("Compact(%q): %v", tt.in, err) - } else if s := buf.String(); s != tt.compact { - t.Errorf("Compact(%q) = %q, want %q", tt.in, s, tt.compact) - } - } -} - -func TestIndent(t *testing.T) { - t.Skip() // TODO - var buf bytes.Buffer - for _, tt := range examples { - buf.Reset() - if err := Indent(&buf, []byte(tt.indent), "", "\t"); err != nil { - t.Errorf("Indent(%#q): %v", tt.indent, err) - } else if s := buf.String(); s != tt.indent { - t.Errorf("Indent(%#q) = %#q, want original", tt.indent, s) - } - - buf.Reset() - if err := Indent(&buf, []byte(tt.compact), "", "\t"); err != nil { - t.Errorf("Indent(%#q): %v", tt.compact, err) - continue - } else if s := buf.String(); s != tt.indent { - t.Errorf("Indent(%#q) = %#q, want %#q", tt.compact, s, tt.indent) - } - } -} - -// Tests of a large random structure. - -func TestCompactBig(t *testing.T) { - initBig() - var buf bytes.Buffer - if err := Compact(&buf, jsonBig); err != nil { - t.Fatalf("Compact: %v", err) - } - b := buf.Bytes() - if !bytes.Equal(b, jsonBig) { - t.Error("Compact(jsonBig) != jsonBig") - diff(t, b, jsonBig) - return - } -} - -func TestIndentBig(t *testing.T) { - t.Parallel() - initBig() - var buf bytes.Buffer - if err := Indent(&buf, jsonBig, "", "\t"); err != nil { - t.Fatalf("Indent1: %v", err) - } - b := buf.Bytes() - if len(b) == len(jsonBig) { - // jsonBig is compact (no unnecessary spaces); - // indenting should make it bigger - t.Fatalf("Indent(jsonBig) did not get bigger") - } - - // should be idempotent - var buf1 bytes.Buffer - if err := Indent(&buf1, b, "", "\t"); err != nil { - t.Fatalf("Indent2: %v", err) - } - b1 := buf1.Bytes() - if !bytes.Equal(b1, b) { - t.Error("Indent(Indent(jsonBig)) != Indent(jsonBig)") - diff(t, b1, b) - return - } - - // should get back to original - buf1.Reset() - if err := Compact(&buf1, b); err != nil { - t.Fatalf("Compact: %v", err) - } - b1 = buf1.Bytes() - if !bytes.Equal(b1, jsonBig) { - t.Error("Compact(Indent(jsonBig)) != jsonBig") - diff(t, b1, jsonBig) - return - } -} - -type indentErrorTest struct { - in string - err error -} - -var indentErrorTests = []indentErrorTest{ - {`{"X": "foo", "Y"}`, &SyntaxError{"invalid character '}' after object key", 17}}, - {`{"X": "foo" "Y": "bar"}`, &SyntaxError{"invalid character '\"' after object key:value pair", 13}}, -} - -func TestIndentErrors(t *testing.T) { - t.Skip() // TODO - for i, tt := range indentErrorTests { - slice := make([]uint8, 0) - buf := bytes.NewBuffer(slice) - if err := Indent(buf, []uint8(tt.in), "", ""); err != nil { - if !reflect.DeepEqual(err, tt.err) { - t.Errorf("#%d: Indent: %#v", i, err) - continue - } - } - } -} - -func diff(t *testing.T, a, b []byte) { - for i := 0; ; i++ { - if i >= len(a) || i >= len(b) || a[i] != b[i] { - j := i - 10 - if j < 0 { - j = 0 - } - t.Errorf("diverge at %d: «%s» vs «%s»", i, trim(a[j:]), trim(b[j:])) - return - } - } -} - -func trim(b []byte) []byte { - if len(b) > 20 { - return b[0:20] - } - return b -} - -// Generate a random JSON object. - -var jsonBig []byte - -func initBig() { - n := 10000 - if testing.Short() { - n = 100 - } - b, err := Marshal(genValue(n)) - if err != nil { - panic(err) - } - jsonBig = b -} - -func genValue(n int) any { - if n > 1 { - switch rand.Intn(2) { - case 0: - return genArray(n) - case 1: - return genMap(n) - } - } - switch rand.Intn(3) { - case 0: - return rand.Intn(2) == 0 - case 1: - return rand.NormFloat64() - case 2: - return genString(30) - } - panic("unreachable") -} - -func genString(stddev float64) string { - n := int(math.Abs(rand.NormFloat64()*stddev + stddev/2)) - c := make([]rune, n) - for i := range c { - f := math.Abs(rand.NormFloat64()*64 + 32) - if f > 0x10ffff { - f = 0x10ffff - } - c[i] = rune(f) - } - return string(c) -} - -func genArray(n int) []any { - f := int(math.Abs(rand.NormFloat64()) * math.Min(10, float64(n/2))) - if f > n { - f = n - } - if f < 1 { - f = 1 - } - x := make([]any, f) - for i := range x { - x[i] = genValue(((i+1)*n)/f - (i*n)/f) - } - return x -} - -func genMap(n int) map[string]any { - f := int(math.Abs(rand.NormFloat64()) * math.Min(10, float64(n/2))) - if f > n { - f = n - } - if n > 0 && f == 0 { - f = 1 - } - x := make(map[string]any) - for i := 0; i < f; i++ { - x[genString(10)] = genValue(((i+1)*n)/f - (i*n)/f) - } - return x -} -- cgit v1.2.3-2-g168b