1 files changed, 114 insertions, 0 deletions
diff --git a/sheet_test.go b/sheet_test.go
new file mode 100644
index 0000000..e4b4700
--- /dev/null
+++ b/sheet_test.go
@@ -0,0 +1,114 @@
+package excelize_test
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/360EntSecGroup-Skylar/excelize"
+	"github.com/mohae/deepcopy"
+	"github.com/stretchr/testify/assert"
+)
+
+func ExampleFile_SetPageLayout() {
+	xl := excelize.NewFile()
+	const sheet = "Sheet1"
+
+	if err := xl.SetPageLayout(
+		"Sheet1",
+		excelize.PageLayoutOrientation(excelize.OrientationLandscape),
+	); err != nil {
+		panic(err)
+	}
+	// Output:
+}
+
+func ExampleFile_GetPageLayout() {
+	xl := excelize.NewFile()
+	const sheet = "Sheet1"
+	var (
+		orientation excelize.PageLayoutOrientation
+	)
+	if err := xl.GetPageLayout("Sheet1", &orientation); err != nil {
+		panic(err)
+	}
+	fmt.Println("Defaults:")
+	fmt.Printf("- orientation: %q\n", orientation)
+	// Output:
+	// Defaults:
+	// - orientation: "portrait"
+}
+
+func TestPageLayoutOption(t *testing.T) {
+	const sheet = "Sheet1"
+
+	testData := []struct {
+		container  excelize.PageLayoutOptionPtr
+		nonDefault excelize.PageLayoutOption
+	}{
+		{new(excelize.PageLayoutOrientation), excelize.PageLayoutOrientation(excelize.OrientationLandscape)},
+	}
+
+	for i, test := range testData {
+		t.Run(fmt.Sprintf("TestData%d", i), func(t *testing.T) {
+
+			opt := test.nonDefault
+			t.Logf("option %T", opt)
+
+			def := deepcopy.Copy(test.container).(excelize.PageLayoutOptionPtr)
+			val1 := deepcopy.Copy(def).(excelize.PageLayoutOptionPtr)
+			val2 := deepcopy.Copy(def).(excelize.PageLayoutOptionPtr)
+
+			xl := excelize.NewFile()
+			// Get the default value
+			if !assert.NoError(t, xl.GetPageLayout(sheet, def), opt) {
+				t.FailNow()
+			}
+			// Get again and check
+			if !assert.NoError(t, xl.GetPageLayout(sheet, val1), opt) {
+				t.FailNow()
+			}
+			if !assert.Equal(t, val1, def, opt) {
+				t.FailNow()
+			}
+			// Set the same value
+			if !assert.NoError(t, xl.SetPageLayout(sheet, val1), opt) {
+				t.FailNow()
+			}
+			// Get again and check
+			if !assert.NoError(t, xl.GetPageLayout(sheet, val1), opt) {
+				t.FailNow()
+			}
+			if !assert.Equal(t, val1, def, "%T: value should not have changed", opt) {
+				t.FailNow()
+			}
+			// Set a different value
+			if !assert.NoError(t, xl.SetPageLayout(sheet, test.nonDefault), opt) {
+				t.FailNow()
+			}
+			if !assert.NoError(t, xl.GetPageLayout(sheet, val1), opt) {
+				t.FailNow()
+			}
+			// Get again and compare
+			if !assert.NoError(t, xl.GetPageLayout(sheet, val2), opt) {
+				t.FailNow()
+			}
+			if !assert.Equal(t, val1, val2, "%T: value should not have changed", opt) {
+				t.FailNow()
+			}
+			// Value should not be the same as the default
+			if !assert.NotEqual(t, def, val1, "%T: value should have changed from default", opt) {
+				t.FailNow()
+			}
+			// Restore the default value
+			if !assert.NoError(t, xl.SetPageLayout(sheet, def), opt) {
+				t.FailNow()
+			}
+			if !assert.NoError(t, xl.GetPageLayout(sheet, val1), opt) {
+				t.FailNow()
+			}
+			if !assert.Equal(t, def, val1) {
+				t.FailNow()
+			}
+		})
+	}
+}