add testcase

Author: larshp

test/builtin/from_mixed.ts

@@ -0,0 +1,37 @@
+import {expect} from "chai";
+import {ABAP, MemoryConsole} from "../../packages/runtime/src";
+import {AsyncFunction, runFiles} from "../_utils";
+
+let abap: ABAP;
+
+async function run(contents: string) {
+  return runFiles(abap, [{filename: "zfoobar.prog.abap", contents}]);
+}
+
+describe("Builtin functions - from_mixed", () => {
+
+  beforeEach(async () => {
+    abap = new ABAP({console: new MemoryConsole()});
+  });
+
+  it.only("test", async () => {
+    const code = `
+WRITE / from_mixed( 'putData' ).
+WRITE / from_mixed( 'PutData' ).
+WRITE / from_mixed( 'PUTDATA' ).
+WRITE / from_mixed( 'putdata' ).
+WRITE / from_mixed( 'put data' ).
+WRITE / from_mixed( 'put Data' ).
+`;
+    const js = await run(code);
+    const f = new AsyncFunction("abap", js);
+    await f(abap);
+    expect(abap.console.get()).to.equal(`PUT_DATA
+PUT_DATA
+P_U_T_D_A_T_A
+PUTDATA
+PUT DATA
+PUT _DATA`);
+  });
+
+});