Function TestNavigableExpr

common/ast/navigable_test.go:269–294

(t *testing.T)

}

func TestNavigableExpr(t *testing.T) {
	checkedAST := mustTypeCheck(t, `'a' == 'b'`)
	navAST := ast.NavigateAST(checkedAST)
	literals := ast.MatchDescendants(navAST, func(expr ast.NavigableExpr) bool {
		return expr.Kind() == ast.LiteralKind &&
			expr.AsLiteral().Equal(types.String("a")) == types.True
	})
	if len(literals) != 1 {
		t.Fatalf("MatchDescendents('a') got %d results, wanted 1", len(literals))
	}
	litA := literals[0]
	if litA.Depth() != 1 {
		t.Fatalf("litA.Depth() got %d, wanted 1", litA.Depth())
	}
	parent, found := litA.Parent()
	if !found {
		t.Fatal("litA.Parent() returned nil")
	}
	if parent.Kind() != ast.CallKind && parent.AsCall().FunctionName() != "==" {
		t.Fatalf("litA.Parent() got %v, watned '==' function call", parent)
	}
	litAPrime := ast.NavigateExpr(checkedAST, litA)
	if litAPrime.Depth() != litA.Depth() {
		t.Errorf("litAPrime.Depth() != litA.Depth(), got %d, wanted %d", litAPrime.Depth(), litA.Depth())
	}
}

func TestNavigableCallExprMember(t *testing.T) {
	checked := mustTypeCheck(t, `'hello'.size()`)