Ignore diagnostic code 2322 in expectError statements (#22)

Author: BendingBender

source/lib/compiler.ts

@@ -19,7 +19,8 @@ const ignoredDiagnostics = new Set<number>([
 const diagnosticCodesToIgnore = new Set<DiagnosticCode>([
 	DiagnosticCode.ArgumentTypeIsNotAssignableToParameterType,
 	DiagnosticCode.PropertyDoesNotExistOnType,
-	DiagnosticCode.CannotAssignToReadOnlyProperty
+	DiagnosticCode.CannotAssignToReadOnlyProperty,
+	DiagnosticCode.TypeIsNotAssignableToOtherType
 ]);
 
 /**

source/lib/interfaces.ts

@@ -21,6 +21,7 @@ export interface Context {
 
 export enum DiagnosticCode {
 	AwaitIsOnlyAllowedInAsyncFunction = 1308,
+	TypeIsNotAssignableToOtherType = 2322,
 	PropertyDoesNotExistOnType = 2339,
 	ArgumentTypeIsNotAssignableToParameterType = 2345,
 	CannotAssignToReadOnlyProperty = 2540

source/test/fixtures/expect-error/values/index.d.ts

@@ -4,3 +4,7 @@ declare const one: {
 };
 
 export default one;
+
+export const foo: {readonly bar: string};
+
+export function hasProperty(property: {name: string}): boolean;

source/test/fixtures/expect-error/values/index.test-d.ts

@@ -1,12 +1,9 @@
 import {expectError} from '../../../..';
+import {foo, hasProperty} from '.';
 
 expectError<string>(1);
 expectError<string>('fo');
 
-const foo: {readonly bar: string} = {
-	bar: 'baz'
-};
-
 expectError(foo.bar = 'quux');
 expectError(foo.quux);
 
@@ -17,3 +14,5 @@ try {
 		expectError(foo.quux);
 	}
 } catch {}
+
+expectError(hasProperty({name: 1}));

source/test/test.ts

@@ -229,7 +229,7 @@ test('expectError for values', async t => {
 	t.true(diagnostics.length === 1);
 
 	t.true(diagnostics[0].column === 0);
-	t.true(diagnostics[0].line === 4);
+	t.true(diagnostics[0].line === 5);
 	t.true(diagnostics[0].message === 'Expected an error, but found none.');
 	t.true(diagnostics[0].severity === 'error');
 });