Add Float16Array to the list of valid basic types (#601)

Added to Web IDL in whatwg/webidl#1398 and already used
in the definition of `ArrayBufferView`.

The test is not fantastically useful but will allow to make the test fail next
time we need to add a basic type to the list.

src/lib/study-webidl.js

@@ -63,6 +63,7 @@ const basicTypes = new Set([
  'DOMString', // https://webidl.spec.whatwg.org/#idl-DOMString
  'double', // https://webidl.spec.whatwg.org/#idl-double
  'float', // https://webidl.spec.whatwg.org/#idl-float
+ 'Float16Array', // https://webidl.spec.whatwg.org/#idl-Float16Array
  'Float32Array', // https://webidl.spec.whatwg.org/#idl-Float32Array
  'Float64Array', // https://webidl.spec.whatwg.org/#idl-Float64Array
  'Int16Array', // https://webidl.spec.whatwg.org/#idl-Int16Array

test/study-webidl.js

@@ -32,6 +32,53 @@ interface Valid {};
  assertNbAnomalies(report, 0);
  });
 
+ it('knows about basic IDL type', () => {
+ const report = analyzeIdl(`
+[Global=Window,Exposed=*]
+interface ValidBasicTypes {
+ attribute any test1;
+ attribute ArrayBuffer test2;
+ attribute bigint test3;
+ attribute boolean test4;
+ attribute byte test5;
+ attribute ByteString test6;
+ attribute DataView test7;
+ attribute DOMString test8;
+ attribute double test9;
+ attribute float test10;
+ attribute Float16Array test11;
+ attribute Float32Array test12;
+ attribute Float64Array test13;
+ attribute Int16Array test14;
+ attribute Int32Array test15;
+ attribute Int8Array test16;
+ attribute long long test17;
+ attribute long test18;
+ attribute object test19;
+ attribute octet test20;
+ attribute SharedArrayBuffer test21;
+ attribute short test22;
+ attribute symbol test23;
+ attribute BigUint64Array test24;
+ attribute BigInt64Array test25;
+ attribute Uint16Array test26;
+ attribute Uint32Array test27;
+ attribute Uint8Array test28;
+ attribute Uint8ClampedArray test29;
+ attribute unrestricted double test30;
+ attribute unrestricted float test31;
+ attribute unsigned long long test32;
+ attribute unsigned long test33;
+ attribute unsigned short test34;
+ attribute USVString test35;
+ attribute undefined test36;
+ attribute CSSOMString test37;
+ attribute WindowProxy test38;
+};
+`);
+ assertNbAnomalies(report, 0);
+ });
+
  it('reports invalid IDL', () => {
  const report = analyzeIdl(`
 [Global=Window,Exposed=*]