test : array literal parsing

yazaldefilimone · Feb 25, 2024 · a57aa0c · a57aa0c
1 parent 1fca3c4
commit a57aa0c
Showing 1 changed file with 26 additions and 0 deletions.
diff --git a/src/parser/tests/array-literal.test.ts b/src/parser/tests/array-literal.test.ts
@@ -0,0 +1,26 @@
+import { it, expect, describe } from "vitest";
+import { makeSut } from "./sut";
+import { ExpressionStatement } from "ast";
+import { ArrayLiteral } from "ast/array";
+describe("Parser", () => {
+  describe("Parse program", () => {
+    it("Array literal", () => {
+      const code = `
+      [1, 2 * 2, 3 + 3, "hello"];
+    `;
+      const { program } = makeSut(code, {
+        isLogError: true,
+        toString: false,
+      });
+      const statement: ExpressionStatement = program.statements[0] as any;
+      expect(statement).instanceOf(ExpressionStatement);
+      const expression = statement.expression as any;
+      expect(expression).instanceOf(ArrayLiteral);
+      expect(expression.elements.length).toBe(4);
+      expect(expression.elements[0].value).toBe(1);
+      expect(expression.elements[1].toString()).toBe("(2 * 2)");
+      expect(expression.elements[2].toString()).toBe("(3 + 3)");
+      expect(expression.elements[3].value).toBe("hello");
+    });
+  });
+});