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Merge pull request #41100 from ballerina-platform/fix-subtyping-w-opt…
…ional-fields Fix typing with optional fields and open records
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116 changes: 116 additions & 0 deletions
116
tests/jballerina-unit-test/src/test/resources/test-src/record/record_assignability.bal
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| // Copyright (c) 2023 WSO2 LLC. (http://www.wso2.com). | ||
| // | ||
| // WSO2 LLC. licenses this file to you under the Apache License, | ||
| // Version 2.0 (the "License"); you may not use this file except | ||
| // in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
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| type R1 record { | ||
| string y?; | ||
| }; | ||
|
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| type R2 record { | ||
| int x?; | ||
| }; | ||
|
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| type R3 record {| | ||
| string y?; | ||
| int...; | ||
| |}; | ||
|
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| type R4 record { | ||
| int a?; | ||
| string b; | ||
| }; | ||
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| type R5 record { | ||
| string b; | ||
| }; | ||
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| type R6 record { | ||
| int a?; | ||
| int b; | ||
| }; | ||
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| type R7 record { | ||
| readonly int? b; | ||
| }; | ||
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| function testOpenRecordToRecordWithOptionalFieldTypingRuntimeNegative() { | ||
| R2 a = {x: 1, "y": 10}; | ||
| assertFalse(a is R1); | ||
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| record {| int|string...; |} b = {}; | ||
| assertFalse(b is R1); | ||
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| record {| int...; |} c = {}; | ||
| assertFalse(c is R1); | ||
| assertFalse(c is R3); | ||
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| R5[] d = []; | ||
| assertFalse(d is R4[]); | ||
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| R7 e = {b: 1}; | ||
| assertFalse(e is R6); | ||
| } | ||
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| type R8 record { | ||
| string y?; | ||
| }; | ||
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| type R9 record {| | ||
| int x?; | ||
| string...; | ||
| |}; | ||
|
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| type R10 record { | ||
| int a?; | ||
| int b; | ||
| }; | ||
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| type R11 record {| | ||
| readonly int? b; | ||
| int...; | ||
| |}; | ||
|
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| function testRecordToRecordWithOptionalFieldTypingRuntimePositive() { | ||
| R9 a = {}; | ||
| R8 _ = a; // OK | ||
| assertTrue(<any>a is R8); | ||
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| record {| int x?; |} b = {}; | ||
| assertTrue(<any>b is R8); | ||
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| record {| int x?; never...; |} c = {}; | ||
| assertTrue(<any>c is R8); | ||
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| R9[] d = []; | ||
| R8[] _ = d; // OK | ||
| assertTrue(<any>d is R8[]); | ||
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| record {| readonly int? b; int...; |} e = {b: 1}; | ||
| assertTrue(e is record { int a?; int b; }); | ||
| } | ||
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| function assertTrue(anydata actual) { | ||
| assertEquality(true, actual); | ||
| } | ||
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| function assertFalse(anydata actual) { | ||
| assertEquality(false, actual); | ||
| } | ||
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| function assertEquality(anydata expected, anydata actual) { | ||
| if expected != actual { | ||
| panic error(string `expected ${expected.toBalString()}, found ${actual.toBalString()}`); | ||
| } | ||
| } |
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