assemblyscript/tests/compiler/std/object.ts at main · AssemblyScript/assemblyscript · GitHub

Name: assemblyscript/tests/compiler/std/object.ts at main · AssemblyScript/assemblyscript · GitHub
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// Object.is

assert(Object.is(+0.0,+0.0)==true);
assert(Object.is(+0.0,-0.0)==false);
assert(Object.is(-0.0,+0.0)==false);
assert(Object.is(+0.0,+1.0)==false);
assert(Object.is(+1.0,-1.0)==false);
assert(Object.is(+1.0,+1.0)==true);

assert(Object.is(+Infinity,+Infinity)==true);
assert(Object.is(-Infinity,-Infinity)==true);
assert(Object.is(+Infinity,-Infinity)==false);
assert(Object.is(-Infinity,+Infinity)==false);
assert(Object.is(+Infinity,NaN)==false);
assert(Object.is(NaN,Infinity)==false);
assert(Object.is(NaN,NaN)==true);

assert(Object.is<f32>(+0.0,+0.0)==true);
assert(Object.is<f32>(+0.0,-0.0)==false);
assert(Object.is<f32>(-0.0,+0.0)==false);
assert(Object.is<f32>(+0.0,+1.0)==false);
assert(Object.is<f32>(+1.0,-1.0)==false);
assert(Object.is<f32>(+1.0,+1.0)==true);

assert(Object.is<f32>(+Infinity,+Infinity)==true);
assert(Object.is<f32>(-Infinity,-Infinity)==true);
assert(Object.is<f32>(+Infinity,-Infinity)==false);
assert(Object.is<f32>(-Infinity,+Infinity)==false);
assert(Object.is<f32>(+Infinity,NaN)==false);
assert(Object.is<f32>(NaN,Infinity)==false);
assert(Object.is<f32>(NaN,NaN)==true);

assert(Object.is(-0.0,1e-1*(-1e-308))==false);
assert(Object.is(0,0.0)==true);

assert(Object.is<i32>(+0,-0)==true);
assert(Object.is<i32>(+1,-1)==false);

assert(Object.is(true,true)==true);
assert(Object.is(true,false)==false);
assert(Object.is(false,false)==true);

assert(Object.is("a","a")==true);
assert(Object.is("a","b")==false);
assert(Object.is("a","ab")==false);

assert(Object.is<string|null>(null,null)==true);
assert(Object.is<string|null>("",null)==false);
assert(Object.is<string|null>(null,"")==false);

// Implicit and explicit inheritance

classImplicit{
constructor(){
// no super()
}
}
classExplicitextendsObject{
constructor(){
super();
}
}
{
letimplicit=newImplicit();
assert(implicitinstanceofObject);
assert(!isDefined(Implicit.is));// does not inherit static members

letexplicit=newExplicit();
assert(explicitinstanceofObject);
assert(isDefined(Explicit.is));// does inherit static members

letobject: Object=explicit;
assert(objectinstanceofExplicit);// dynamic check

assert((<Object>implicit)instanceofImplicit);
assert((<Object>explicit)instanceofExplicit);
}