Consolidate console label conversion tests + add timeLog

console/console-label-conversion.any.js

@@ -0,0 +1,29 @@
+"use strict";
+// https://console.spec.whatwg/org/#counting
+// https://console.spec.whatwg/org/#timing
+
+const methods = ['count', 'countReset', 'time', 'timeLog', 'timeEnd'];
+
+for (const method of methods) {
+  test(() => {
+    let labelToStringCalled = false;
+
+    console[method]({
+      toString() {
+        labelToStringCalled = true;
+      }
+    });
+
+    assert_true(labelToStringCalled, `${method}() must call toString() on label when label is an object`);
+  }, `console.${method}()'s label gets converted to string via label.toString() when label is an object`);
+
+  test(() => {
+    assert_throws({name: 'Error'}, () => {
+      console[method]({
+        toString() {
+          throw new Error('conversion error');
+        }
+      });
+    }, `${method} must re-throw any exceptions thrown by label.toString() conversion`);
+  }, `console.${method}() throws exceptions generated by erroneous label.toString() conversion`);
+}