data_test.go

@@ -108,6 +108,7 @@ func TestShippedMiscReferenceData(t *testing.T) {
 		"timezone":           regexp.MustCompile(`^[A-Za-z]+(/[A-Za-z0-9_+-]+)+$`),
 		"timezone.offset":    regexp.MustCompile(`^[+-](0\d|1[0-4]):[0-5]\d$`),
 		"timezone.territory": regexp.MustCompile(`^[A-Z]{2}$`),
+		"timezone.weight":    regexp.MustCompile(`^[1-9]\d*$`),
 		"mimetype":           regexp.MustCompile(`^[a-z]+/[a-z0-9.+-]+$`),
 		"mimetype.ext":       regexp.MustCompile(`^\.[a-z0-9_-]+$`),
 		"httpstatus":         regexp.MustCompile(`^[1-5]\d{2} \S.*$`),

table_test.go

@@ -738,6 +738,13 @@ func TestShippedTables(t *testing.T) {
 			t.Fatalf("%q: a territory and a timezone in one render disagree on the territory", got)
 		}
 	}
+	zones := map[string]int{}
+	for i := 0; i < 2000; i++ {
+		zones[fake(t, f, "territory[US].timezone")]++
+	}
+	if peopled := zones["America/New_York"] + zones["America/Chicago"] + zones["America/Los_Angeles"] + zones["America/Denver"]; peopled < 1600 {
+		t.Fatalf("the four zones most Americans live in take %d of 2000 US draws, want the population weight to favour them", peopled)
+	}
 }
 
 // TestEveryTerritoryNamesAShippedCountry proves what no parent can: the sovereign a