JsonAlgebraic

1 import mir.ndslice.topology: map;
2 import mir.array.allocation: array;
3 
4 JsonAlgebraic value;
5 
6 StringMap!JsonAlgebraic object;
7 
8 // Default
9 assert(value.isNull);
10 assert(value.kind == JsonAlgebraic.Kind.null_);
11 
12 // Boolean
13 value = object["bool"] = true;
14 assert(!value.isNull);
15 assert(value == true);
16 assert(value.kind == JsonAlgebraic.Kind.boolean);
17 assert(value.get!bool == true);
18 assert(value.get!(JsonAlgebraic.Kind.boolean) == true);
19 
20 // Null
21 value = object["null"] = null;
22 assert(value.isNull);
23 assert(value == null);
24 assert(value.kind == JsonAlgebraic.Kind.null_);
25 assert(value.get!(typeof(null)) == null);
26 assert(value.get!(JsonAlgebraic.Kind.null_) == null);
27 
28 // String
29 value = object["string"] = "s";
30 assert(value.kind == JsonAlgebraic.Kind.string);
31 assert(value == "s");
32 assert(value.get!string == "s");
33 assert(value.get!(JsonAlgebraic.Kind.string) == "s");
34 
35 // Integer
36 value = object["integer"] = 4;
37 assert(value.kind == JsonAlgebraic.Kind.integer);
38 assert(value == 4);
39 assert(value != 4.0);
40 assert(value.get!long == 4);
41 assert(value.get!(JsonAlgebraic.Kind.integer) == 4);
42 
43 // Float
44 value = object["float"] = 3.0;
45 assert(value.kind == JsonAlgebraic.Kind.float_);
46 assert(value != 3);
47 assert(value == 3.0);
48 assert(value.get!double == 3.0);
49 assert(value.get!(JsonAlgebraic.Kind.float_) == 3.0);
50 
51 // Array
52 JsonAlgebraic[] arr = [0, 1, 2, 3, 4].map!JsonAlgebraic.array;
53 
54 value = object["array"] = arr;
55 assert(value.kind == JsonAlgebraic.Kind.array);
56 assert(value == arr);
57 assert(value.get!(JsonAlgebraic[])[3] == 3);
58 
59 // Object
60 assert(object.keys == ["bool", "null", "string", "integer", "float", "array"]);
61 object.values[0] = "false";
62 assert(object["bool"] == "false"); // it is a string now
63 object.remove("bool"); // remove the member
64 
65 value = object["array"] = object;
66 assert(value.kind == JsonAlgebraic.Kind.object);
67 assert(value.get!(StringMap!JsonAlgebraic).keys is object.keys);
68 assert(value.get!(StringMap!JsonAlgebraic).values is object.values);
69 
70 JsonAlgebraic[string] aa = object.toAA;
71 object = StringMap!JsonAlgebraic(aa);
72 
73 JsonAlgebraic fromAA = ["a" : JsonAlgebraic(3), "b" : JsonAlgebraic("b")];
74 assert(fromAA.get!(StringMap!JsonAlgebraic)["a"] == 3);
75 assert(fromAA.get!(StringMap!JsonAlgebraic)["b"] == "b");