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flutter_codecs_unittest.mm
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #import "flutter/shell/platform/darwin/common/framework/Headers/FlutterCodecs.h"
6
7 #include "gtest/gtest.h"
8
9 FLUTTER_ASSERT_ARC
10
11 TEST(FlutterStringCodec, CanEncodeAndDecodeNil) {
12 FlutterStringCodec* codec = [FlutterStringCodec sharedInstance];
13 ASSERT_TRUE([codec encode:nil] == nil);
14 ASSERT_TRUE([codec decode:nil] == nil);
15 }
16
17 TEST(FlutterStringCodec, CanEncodeAndDecodeEmptyString) {
18 FlutterStringCodec* codec = [FlutterStringCodec sharedInstance];
19 ASSERT_TRUE([[codec encode:@""] isEqualTo:[NSData data]]);
20 ASSERT_TRUE([[codec decode:[NSData data]] isEqualTo:@""]);
21 }
22
23 TEST(FlutterStringCodec, CanEncodeAndDecodeAsciiString) {
24 NSString* value = @"hello world";
25 FlutterStringCodec* codec = [FlutterStringCodec sharedInstance];
26 NSData* encoded = [codec encode:value];
27 NSString* decoded = [codec decode:encoded];
28 ASSERT_TRUE([value isEqualTo:decoded]);
29 }
30
31 TEST(FlutterStringCodec, CanEncodeAndDecodeNonAsciiString) {
32 NSString* value = @"hello \u263A world";
33 FlutterStringCodec* codec = [FlutterStringCodec sharedInstance];
34 NSData* encoded = [codec encode:value];
35 NSString* decoded = [codec decode:encoded];
36 ASSERT_TRUE([value isEqualTo:decoded]);
37 }
38
39 TEST(FlutterStringCodec, CanEncodeAndDecodeNonBMPString) {
40 NSString* value = @"hello \U0001F602 world";
41 FlutterStringCodec* codec = [FlutterStringCodec sharedInstance];
42 NSData* encoded = [codec encode:value];
43 NSString* decoded = [codec decode:encoded];
44 ASSERT_TRUE([value isEqualTo:decoded]);
45 }
46
47 TEST(FlutterJSONCodec, ThrowsOnInvalidEncode) {
48 NSString* value = [[NSString alloc] initWithBytes:"\xdf\xff"
49 length:2
50 encoding:NSUTF16StringEncoding];
51 FlutterJSONMessageCodec* codec = [FlutterJSONMessageCodec sharedInstance];
52 EXPECT_EXIT([codec encode:value], testing::KilledBySignal(SIGABRT), "failed to convert to UTF8");
53 }
54
55 TEST(FlutterJSONCodec, CanDecodeZeroLength) {
56 FlutterJSONMessageCodec* codec = [FlutterJSONMessageCodec sharedInstance];
57 ASSERT_TRUE([codec decode:[NSData data]] == nil);
58 }
59
60 TEST(FlutterJSONCodec, ThrowsOnInvalidDecode) {
61 NSString* value = @"{{{";
62 FlutterJSONMessageCodec* codec = [FlutterJSONMessageCodec sharedInstance];
63 EXPECT_EXIT([codec decode:[value dataUsingEncoding:value.fastestEncoding]],
64 testing::KilledBySignal(SIGABRT), "No string key for value in object around line 1");
65 }
66
67 TEST(FlutterJSONCodec, CanEncodeAndDecodeNil) {
68 FlutterJSONMessageCodec* codec = [FlutterJSONMessageCodec sharedInstance];
69 ASSERT_TRUE([codec encode:nil] == nil);
70 ASSERT_TRUE([codec decode:nil] == nil);
71 }
72
73 TEST(FlutterJSONCodec, CanEncodeAndDecodeArray) {
74 NSArray* value = @[ [NSNull null], @"hello", @3.14, @47, @{@"a" : @"nested"} ];
75 FlutterJSONMessageCodec* codec = [FlutterJSONMessageCodec sharedInstance];
76 NSData* encoded = [codec encode:value];
77 NSArray* decoded = [codec decode:encoded];
78 ASSERT_TRUE([value isEqualTo:decoded]);
79 }
80
81 TEST(FlutterJSONCodec, CanEncodeAndDecodeDictionary) {
82 NSDictionary* value = @{@"a" : @3.14, @"b" : @47, @"c" : [NSNull null], @"d" : @[ @"nested" ]};
83 FlutterJSONMessageCodec* codec = [FlutterJSONMessageCodec sharedInstance];
84 NSData* encoded = [codec encode:value];
85 NSDictionary* decoded = [codec decode:encoded];
86 ASSERT_TRUE([value isEqualTo:decoded]);
87 }
FlutterCodecs.h
TEST
FLUTTER_ASSERT_ARC TEST(FlutterStringCodec, CanEncodeAndDecodeNil)
Definition: flutter_codecs_unittest.mm:11
FlutterJSONMessageCodec
Definition: FlutterCodecs.h:81
FlutterStringCodec
Definition: FlutterCodecs.h:63
FLUTTER_ASSERT_ARC
Definition: FlutterChannelKeyResponder.mm:13