add JSON library

R=r
DELTA=1127  (1127 added, 0 deleted, 0 changed)
OCL=20975
CL=20983

src/lib/json/generic_test.go

@@ -0,0 +1,72 @@
+// Copyright 2009 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 json
+
+import (
+	"json";
+	"testing";
+)
+
+var jsontests = []string {
+	`null`,
+	`true`,
+	`false`,
+	`"abc"`,
+	`123`,
+	`0.1`,
+	`1e-10`,
+	`[]`,
+	`[1,2,3,4]`,
+	`[1,2,"abc",null,true,false]`,
+	`{}`,
+	`{"a":1}`,
+}
+
+export func TestJson(t *testing.T) {
+	for i := 0; i < len(jsontests); i++ {
+		val, ok, errtok := StringToJson(jsontests[i]);
+		if !ok {
+			t.Errorf("StringToJson(%#q) => error near %v", jsontests[i], errtok);
+			continue;
+		}
+		str := JsonToString(val);
+		if str != jsontests[i] {
+			t.Errorf("JsonToString(StringToJson(%#q)) = %#q", jsontests[i], str);
+			continue;
+		}
+	}
+}
+
+export func TestJsonMap(t *testing.T) {
+	values := new(map[string]Json);
+	mapstr := "{";
+	for i := 0; i < len(jsontests); i++ {
+		val, ok, errtok := StringToJson(jsontests[i]);
+		if !ok {
+			t.Errorf("StringToJson(%#q) => error near %v", jsontests[i], errtok);
+		}
+		if i > 0 {
+			mapstr += ",";
+		}
+		values[jsontests[i]] = val;
+		mapstr += Quote(jsontests[i]);
+		mapstr += ":";
+		mapstr += JsonToString(val);
+	}
+	mapstr += "}";
+
+	mapv, ok, errtok := StringToJson(mapstr);
+	if !ok {
+		t.Fatalf("StringToJson(%#q) => error near %v", mapstr, errtok);
+	}
+	if mapv == nil {
+		t.Fatalf("StringToJson(%#q) => nil, %v, %v", mapstr, ok, errtok);
+	}
+	for k,v range values {
+		if v1 := mapv.Get(k); !Equal(v1, v) {
+			t.Errorf("MapTest: Walk(%#q) => %v, want %v", k, v1, v);
+		}
+	}
+}