Validate that 0 and -0 coerce to "0"

expressions/src/data/number.test.ts

@@ -0,0 +1,13 @@
+import {NumberData} from "./number";
+
+describe("number", () => {
+  it("coerces to string", () => {
+    expect(new NumberData(-0).coerceString()).toEqual("0");
+    expect(new NumberData(0).coerceString()).toEqual("0");
+    expect(new NumberData(1).coerceString()).toEqual("1");
+    expect(new NumberData(1.2).coerceString()).toEqual("1.2");
+
+    // Round to 15 digits precision
+    expect(new NumberData(1.2345678901234567).coerceString()).toEqual("1.234567890123457");
+  });
+});

expressions/src/data/number.ts

@@ -8,7 +8,7 @@ export class NumberData implements ExpressionDataInterface {
   public primitive = true;
 
   coerceString(): string {
-    if (Object.is(this.value, -0)) {
+    if (this.value === 0) {
       return "0";
     }