| <!DOCTYPE html> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="../resources/testharness-helpers.js"></script> |
| <script src="file:///gen/layout_test_data/mojo/public/js/mojo_bindings.js"></script> |
| <script src="file:///gen/mojo/public/interfaces/bindings/tests/test_unions.mojom.js"></script> |
| <script> |
| 'use strict'; |
| |
| test(() => { |
| var u = new mojo.test.PodUnion(); |
| assert_equals(u.$data, null); |
| assert_equals(u.$tag, undefined); |
| |
| u.fUint32 = 32; |
| |
| assert_equals(u.fUint32, 32); |
| assert_equals(u.$tag, mojo.test.PodUnion.Tags.fUint32); |
| |
| var u = new mojo.test.PodUnion({fUint64: 64}); |
| assert_equals(u.fUint64, 64); |
| assert_equals(u.$tag, mojo.test.PodUnion.Tags.fUint64); |
| assert_throws(new ReferenceError, function() {var v = u.fUint32;}); |
| |
| assert_throws(new TypeError, function() { |
| var u = new mojo.test.PodUnion({ |
| fUint64: 64, |
| fUint32: 32, |
| }); |
| }); |
| |
| assert_throws(new ReferenceError, function() { |
| var u = new mojo.test.PodUnion({ foo: 64 }); |
| }); |
| |
| assert_throws(new TypeError, function() { |
| var u = new mojo.test.PodUnion([1,2,3,4]); |
| }); |
| }, 'constructors'); |
| |
| function structEncodeDecode(struct) { |
| var structClass = struct.constructor; |
| var builder = new mojo.internal.MessageV0Builder(1234, |
| structClass.encodedSize); |
| builder.encodeStruct(structClass, struct); |
| |
| var message = builder.finish(); |
| |
| var messageValidator = new mojo.internal.Validator(message); |
| var err = structClass.validate(messageValidator, |
| mojo.internal.kMessageV0HeaderSize); |
| assert_equals(err, mojo.internal.validationError.NONE); |
| |
| var reader = new mojo.internal.MessageReader(message); |
| var view = reader.decoder.buffer.dataView; |
| |
| return reader.decodeStruct(structClass); |
| } |
| |
| test(() => { |
| var s = new mojo.test.WrapperStruct({ |
| podUnion: new mojo.test.PodUnion({fUint64: 64}) |
| }); |
| |
| var decoded = structEncodeDecode(s); |
| assert_weak_equals(decoded, s); |
| |
| var s = new mojo.test.WrapperStruct({ |
| podUnion: new mojo.test.PodUnion({fBool : true}) |
| }); |
| |
| var decoded = structEncodeDecode(s); |
| assert_equals(decoded.podUnion.$tag, mojo.test.PodUnion.Tags.fBool); |
| assert_true(decoded.podUnion.fBool); |
| |
| var s = new mojo.test.WrapperStruct({ |
| objectUnion: new mojo.test.ObjectUnion({ |
| fDummy: new mojo.test.DummyStruct({fInt8: 8}) |
| }) |
| }); |
| |
| var decoded = structEncodeDecode(s); |
| assert_weak_equals(decoded, s); |
| |
| var s = new mojo.test.WrapperStruct({ |
| objectUnion: new mojo.test.ObjectUnion({fArrayInt8: [1, 2, 3]}) |
| }); |
| |
| var decoded = structEncodeDecode(s); |
| assert_weak_equals(decoded, s); |
| |
| var s = new mojo.test.WrapperStruct({ |
| objectUnion: new mojo.test.ObjectUnion({ |
| fMapInt8: new Map([ |
| ["first", 1], |
| ["second", 2], |
| ]) |
| }) |
| }); |
| |
| var decoded = structEncodeDecode(s); |
| assert_weak_equals(decoded, s); |
| |
| // Encoding a union with no member set is an error. |
| var s = new mojo.test.WrapperStruct({ |
| objectUnion: new mojo.test.ObjectUnion()}); |
| assert_throws(new TypeError, function() { |
| structEncodeDecode(s); |
| }); |
| }, 'basic encoding'); |
| |
| test(() => { |
| var s = new mojo.test.SmallStruct({ |
| podUnionArray: [ |
| new mojo.test.PodUnion({fUint32: 32}), |
| new mojo.test.PodUnion({fUint64: 64}), |
| ] |
| }); |
| |
| var decoded = structEncodeDecode(s); |
| assert_weak_equals(decoded, s); |
| }, 'unions in array encoding'); |
| |
| test(() => { |
| var s = new mojo.test.SmallStruct({ |
| podUnionMap: new Map([ |
| ["thirty-two", new mojo.test.PodUnion({fUint32: 32})], |
| ["sixty-four", new mojo.test.PodUnion({fUint64: 64})], |
| ]) |
| }); |
| |
| var decoded = structEncodeDecode(s); |
| assert_weak_equals(decoded, s); |
| }, 'unions in map encoding'); |
| |
| test(() => { |
| var s = new mojo.test.WrapperStruct({ |
| objectUnion: new mojo.test.ObjectUnion({ |
| fPodUnion: new mojo.test.PodUnion({fUint32: 32}) |
| }) |
| }); |
| var decoded = structEncodeDecode(s); |
| assert_weak_equals(decoded, s); |
| }, 'nested unions encoding'); |
| |
| function structValidate(struct) { |
| var structClass = struct.constructor; |
| var builder = new mojo.internal.MessageV0Builder(1234, |
| structClass.encodedSize); |
| builder.encodeStruct(structClass, struct); |
| |
| var message = builder.finish(); |
| |
| var messageValidator = new mojo.internal.Validator(message); |
| return structClass.validate(messageValidator, |
| mojo.internal.kMessageV0HeaderSize); |
| } |
| |
| test(() => { |
| var s = new mojo.test.WrapperStruct({ |
| objectUnion: new mojo.test.ObjectUnion({fDummy: null}) |
| }); |
| |
| var err = structValidate(s); |
| assert_equals(err, mojo.internal.validationError.UNEXPECTED_NULL_POINTER); |
| |
| var s = new mojo.test.WrapperStruct({ |
| objectUnion: new mojo.test.ObjectUnion({fNullable: null}) |
| }); |
| |
| var err = structValidate(s); |
| assert_equals(err, mojo.internal.validationError.NONE); |
| }, 'null union member validation'); |
| |
| test(() => { |
| var s = new mojo.test.SmallStructNonNullableUnion({podUnion: null}); |
| |
| var err = structValidate(s); |
| assert_equals(err, mojo.internal.validationError.UNEXPECTED_NULL_UNION); |
| |
| var s = new mojo.test.WrapperStruct({ |
| objectUnion: new mojo.test.ObjectUnion({fPodUnion: null}) |
| }); |
| |
| var err = structValidate(s); |
| assert_equals(err, mojo.internal.validationError.UNEXPECTED_NULL_UNION); |
| }, 'null union validation'); |
| |
| </script> |
