Upstream olekukonko/tablewriter state of the touched files before c715bafde1

pkg/twwidth/tab_test.go

@@ -0,0 +1,40 @@
+package twwidth_test
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/olekukonko/tablewriter/pkg/twwidth"
+)
+
+func TestTabinalSetWidth(t *testing.T) {
+	t.Setenv("TABWIDTH", "3")
+
+	for _, initialized := range []bool{false, true} {
+		for _, width := range []int{1, 2, 32, 0, -1, 33} {
+			t.Run(fmt.Sprintf("initialized=%v/width=%d", initialized, width), func(t *testing.T) {
+				var tab twwidth.Tabinal
+				if initialized {
+					if got := tab.Size(); got != 3 {
+						t.Fatalf("initial Size() = %d, want 3", got)
+					}
+				}
+
+				tab.SetWidth(width)
+				want := width
+				if width <= 0 || width > 32 {
+					want = 3
+				}
+				if got := tab.Size(); got != want {
+					t.Fatalf("Size() after SetWidth(%d) = %d, want %d", width, got, want)
+				}
+
+				tab.SetWidth(5)
+				tab.SetWidth(0)
+				if got := tab.Size(); got != 5 {
+					t.Fatalf("Size() after changing width = %d, want 5", got)
+				}
+			})
+		}
+	}
+}