Update error message from 'floating point' to 'decimal'.

integration-tests/tests/src/tests/counter.ts

@@ -477,7 +477,7 @@ describe("Counter", () => {
         this.realm.write(() => {
           counter.increment(1.1);
         });
-      }).to.throw("Expected 'by' to be an integer, got a floating point number");
+      }).to.throw("Expected 'by' to be an integer, got a decimal number");
       expect(counter.value).equals(10);
 
       expect(() => {
@@ -525,7 +525,7 @@ describe("Counter", () => {
         this.realm.write(() => {
           counter.decrement(1.1);
         });
-      }).to.throw("Expected 'by' to be an integer, got a floating point number");
+      }).to.throw("Expected 'by' to be an integer, got a decimal number");
       expect(counter.value).equals(10);
 
       expect(() => {
@@ -573,7 +573,7 @@ describe("Counter", () => {
         this.realm.write(() => {
           counter.set(1.1);
         });
-      }).to.throw("Expected 'value' to be an integer, got a floating point number");
+      }).to.throw("Expected 'value' to be an integer, got a decimal number");
       expect(counter.value).equals(10);
 
       expect(() => {

packages/realm/src/errors.ts

@@ -46,13 +46,12 @@ export class TypeAssertionError extends AssertionError {
     } else if (typeof value === "function") {
       return `a function or class named ${value.name}`;
     } else if (typeof value === "number") {
-      let type = "a number";
       if (Number.isNaN(value)) {
-        type = "NaN";
+        return "NaN";
       } else if (!Number.isInteger(value)) {
-        type = "a floating point number";
+        return "a decimal number";
       }
-      return type;
+      return "a number";
     } else {
       return "a " + typeof value;
     }