117 lines
No EOL
3.1 KiB
Text
117 lines
No EOL
3.1 KiB
Text
==== tests/cases/conformance/classes/constructorDeclarations/superCalls/derivedClassParameterProperties.ts (4 errors) ====
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// ordering of super calls in derived constructors matters depending on other class contents
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class Base {
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x: string;
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}
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class Derived extends Base {
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constructor(y: string) {
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var a = 1;
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super(); // ok
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}
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}
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class Derived2 extends Base {
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constructor(public y: string) {
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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var a = 1;
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~~~~~~~~~~~~~~~~~~
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super(); // error
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~~~~~~~~~~~~~~~~~~~~~~~~~
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}
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~~~~~
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!!! A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties.
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}
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class Derived3 extends Base {
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constructor(public y: string) {
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super(); // ok
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var a = 1;
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}
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}
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class Derived4 extends Base {
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a = 1;
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constructor(y: string) {
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~~~~~~~~~~~~~~~~~~~~~~~~
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var b = 2;
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~~~~~~~~~~~~~~~~~~
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super(); // error
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~~~~~~~~~~~~~~~~~~~~~~~~~
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}
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~~~~~
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!!! A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties.
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}
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class Derived5 extends Base {
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a = 1;
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constructor(y: string) {
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super(); // ok
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var b = 2;
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}
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}
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class Derived6 extends Base {
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a: number;
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constructor(y: string) {
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this.a = 1;
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var b = 2;
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super(); // ok
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}
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}
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class Derived7 extends Base {
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a = 1;
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b: number;
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constructor(y: string) {
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~~~~~~~~~~~~~~~~~~~~~~~~
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this.a = 3;
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~~~~~~~~~~~~~~~~~~~
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this.b = 3;
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~~~~~~~~~~~~~~~~~~~
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super(); // error
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~~~~~~~~~~~~~~~~~~~~~~~~~
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}
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~~~~~
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!!! A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties.
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}
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class Derived8 extends Base {
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a = 1;
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b: number;
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constructor(y: string) {
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super(); // ok
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this.a = 3;
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this.b = 3;
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}
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}
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// generic cases of Derived7 and Derived8
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class Base2<T> { x: T; }
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class Derived9<T> extends Base2<T> {
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a = 1;
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b: number;
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constructor(y: string) {
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~~~~~~~~~~~~~~~~~~~~~~~~
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this.a = 3;
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~~~~~~~~~~~~~~~~~~~
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this.b = 3;
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~~~~~~~~~~~~~~~~~~~
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super(); // error
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~~~~~~~~~~~~~~~~~~~~~~~~~
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}
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~~~~~
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!!! A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties.
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}
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class Derived10<T> extends Base2<T> {
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a = 1;
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b: number;
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constructor(y: string) {
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super(); // ok
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this.a = 3;
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this.b = 3;
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}
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} |