authorgravatar for sebastiankeller@fastmail.netSebastian Keller <sebastiankeller@fastmail.net> 2019-10-27 20:49:42+01:00
committergravatar for sebastiankeller@fastmail.netSebastian Keller <sebastiankeller@fastmail.net> 2019-10-27 20:49:42+01:00
log78b00c0b5117467d03c85d476b872fe96f767829
treef007cbb7119dfad75c9439003551e2acc95c90e6
parentac705a7bb6ddafa1a8a7bfafe9e61f1246da8408

Added test for 'emitJson'

2 files changed, 59 insertions(+), 0 deletions(-)

lib/std/json.zig+1
......@@ -1407,6 +1407,7 @@ test "json.parser.dynamic" {
14071407
14081408test "import more json tests" {
14091409 _ = @import("json/test.zig");
1410 _ = @import("json/write_stream.zig");
14101411}
14111412
14121413test "write json then parse it" {
lib/std/json/write_stream.zig+58
......@@ -244,3 +244,61 @@ pub fn WriteStream(comptime OutStream: type, comptime max_depth: usize) type {
244244 }
245245 };
246246}
247
248test "json write stream" {
249 var out_buf: [1024]u8 = undefined;
250 var slice_stream = std.io.SliceOutStream.init(&out_buf);
251 const out = &slice_stream.stream;
252
253 var mem_buf: [1024 * 10]u8 = undefined;
254 const allocator = &std.heap.FixedBufferAllocator.init(&mem_buf).allocator;
255
256 var w = std.json.WriteStream(@typeOf(out).Child, 10).init(out);
257 try w.emitJson(try getJson(allocator));
258
259 const result = slice_stream.getWritten();
260 const expected =
261 \\{
262 \\ "object": {
263 \\ "one": 1,
264 \\ "two": 2.0e+00
265 \\ },
266 \\ "string": "This is a string",
267 \\ "array": [
268 \\ "Another string",
269 \\ 1,
270 \\ 3.14e+00
271 \\ ],
272 \\ "int": 10,
273 \\ "float": 3.14e+00
274 \\}
275 ;
276 std.testing.expect(std.mem.eql(u8, expected, result));
277}
278
279fn getJson(allocator: *std.mem.Allocator) !std.json.Value {
280 var value = std.json.Value{ .Object = std.json.ObjectMap.init(allocator) };
281 _ = try value.Object.put("string", std.json.Value{ .String = "This is a string" });
282 _ = try value.Object.put("int", std.json.Value{ .Integer = @intCast(i64, 10) });
283 _ = try value.Object.put("float", std.json.Value{ .Float = 3.14 });
284 _ = try value.Object.put("array", try getJsonArray(allocator));
285 _ = try value.Object.put("object", try getJsonObject(allocator));
286 return value;
287}
288
289fn getJsonObject(allocator: *std.mem.Allocator) !std.json.Value {
290 var value = std.json.Value{ .Object = std.json.ObjectMap.init(allocator) };
291 _ = try value.Object.put("one", std.json.Value{ .Integer = @intCast(i64, 1) });
292 _ = try value.Object.put("two", std.json.Value{ .Float = 2.0 });
293 return value;
294}
295
296fn getJsonArray(allocator: *std.mem.Allocator) !std.json.Value {
297 var value = std.json.Value{ .Array = std.json.Array.init(allocator) };
298 var array = &value.Array;
299 _ = try array.append(std.json.Value{ .String = "Another string" });
300 _ = try array.append(std.json.Value{ .Integer = @intCast(i64, 1) });
301 _ = try array.append(std.json.Value{ .Float = 3.14 });
302
303 return value;
304}