pmtud package

internal/pmtud/pmtud_test.go

@@ -0,0 +1,55 @@
+package pmtud
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_makeMTUsToTest(t *testing.T) {
+	t.Parallel()
+
+	testCases := map[string]struct {
+		minMTU int
+		maxMTU int
+		mtus   []int
+	}{
+		"0_0": {
+			mtus: []int{},
+		},
+		"0_1": {
+			maxMTU: 1,
+			mtus:   []int{1},
+		},
+		"0_8": {
+			maxMTU: 8,
+			mtus:   []int{1, 2, 3, 4, 5, 6, 7, 8},
+		},
+		"0_12": {
+			maxMTU: 12,
+			mtus:   []int{2, 3, 5, 6, 8, 9, 11, 12},
+		},
+		"0_80": {
+			maxMTU: 80,
+			mtus:   []int{10, 20, 30, 40, 50, 60, 70, 80},
+		},
+		"0_100": {
+			maxMTU: 100,
+			mtus:   []int{12, 24, 36, 48, 60, 72, 84, 100},
+		},
+		"1280_1500": {
+			minMTU: 1280,
+			maxMTU: 1500,
+			mtus:   []int{1307, 1334, 1361, 1388, 1415, 1442, 1469, 1500},
+		},
+	}
+
+	for name, testCase := range testCases {
+		t.Run(name, func(t *testing.T) {
+			t.Parallel()
+
+			mtus := makeMTUsToTest(testCase.minMTU, testCase.maxMTU)
+			assert.Equal(t, testCase.mtus, mtus)
+		})
+	}
+}