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fix: WrappedValue.unwrap empty string behavior (#6900)

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This commit is contained in:
Gheric Speiginer
2019-03-14 05:06:53 -04:00
committed by Manol Donev
parent 3c2c1d9b69
commit 0482460c09
2 changed files with 14 additions and 3 deletions
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13
tests/app/data/observable-tests.ts
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@ -521,7 +521,18 @@ export function test_CorrectPropertyValueAfterUsingWrappedValue() {
testObservable.set("property1", wrappedArray); testObservable.set("property1", wrappedArray);
TKUnit.assertEqual(testObservable.get("property1"), testArray, "WrappedValue is used only to execute property change logic and unwrapped value should be used as proeprty value."); TKUnit.assertEqual(testObservable.get("property1"), testArray, "WrappedValue is used only to execute property change logic and unwrapped value should be used as property value.");
}
export function test_CorrectPropertyValueAfterUsingStringEmptyWrappedValue() {
const emptyString = "";
let testObservable = fromObject({ "property1": emptyString });
let wrappedEmptyString = WrappedValue.wrap(emptyString);
testObservable.set("property1", wrappedEmptyString);
TKUnit.assertEqual(testObservable.get("property1"), emptyString, "WrappedValue is used only to execute property change logic and unwrapped value should be used as property value.");
} }
export function test_NestedObservablesWithObservableArrayShouldNotCrash() { export function test_NestedObservablesWithObservableArrayShouldNotCrash() {

2
tns-core-modules/data/observable/observable.ts
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@ -13,7 +13,7 @@ export class WrappedValue implements WrappedValueDefinition {
} }
public static unwrap(value: any) { public static unwrap(value: any) {
return (value && value.wrapped) ? value.wrapped : value; return (value instanceof WrappedValue) ? value.wrapped : value;
} }
public static wrap(value: any) { public static wrap(value: any) {