update readme

README.md

@@ -49,7 +49,7 @@ func main() {
 
     // Print: hello bar world
     for i := 0; i < q.Len(); i++ {
-        fmt.Print(q.PeekAt(i), " ")
+        fmt.Print(q.Peek(i), " ")
     }
     fmt.Println()
 }

deque_test.go

@@ -346,6 +346,16 @@ func TestInsert(t *testing.T) {
 	if q.Peek(5) != "x" {
 		t.Error("expected x at position 5")
 	}
+
+	q.Insert(0, "b")
+	if q.Front() != "b" {
+		t.Error("expected b inserted at front")
+	}
+
+	q.Insert(q.Len(), "e")
+	if q.Back() != "e" {
+		t.Error("expected e inserted at back")
+	}
 }
 
 func TestRemove(t *testing.T) {
@@ -375,6 +385,14 @@ func TestRemove(t *testing.T) {
 	if q.Peek(4) != "G" {
 		t.Error("expected G at position 4")
 	}
+
+	if q.Remove(0) != "A" {
+		t.Error("expected to remove A from front")
+	}
+
+	if q.Remove(q.Len()-1) != "G" {
+		t.Error("expected to remove G from back")
+	}
 }
 
 func TestPeekOutOfRangePanics(t *testing.T) {
@@ -444,6 +462,42 @@ func TestPopBackOutOfRangePanics(t *testing.T) {
 	})
 }
 
+func TestInsertOutOfRangePanics(t *testing.T) {
+	var q Deque
+
+	assertPanics(t, "should panic when inserting out of range", func() {
+		q.Insert(1, "X")
+	})
+
+	q.PushBack("A")
+
+	assertPanics(t, "should panic when inserting at negative index", func() {
+		q.Insert(-1, "Y")
+	})
+
+	assertPanics(t, "should panic when inserting out of range", func() {
+		q.Insert(2, "B")
+	})
+}
+
+func TestRemoveOutOfRangePanics(t *testing.T) {
+	var q Deque
+
+	assertPanics(t, "should panic when removing from empty queue", func() {
+		q.Remove(0)
+	})
+
+	q.PushBack("A")
+
+	assertPanics(t, "should panic when removing at negative index", func() {
+		q.Remove(-1)
+	})
+
+	assertPanics(t, "should panic when removing out of range", func() {
+		q.Remove(1)
+	})
+}
+
 func assertPanics(t *testing.T, name string, f func()) {
 	defer func() {
 		if r := recover(); r == nil {

go.test.sh

@@ -4,7 +4,7 @@ set -e
 echo "" > coverage.txt
 
 for d in $(go list ./... | grep -v vendor); do
-    go test -race -coverprofile=profile.out -covermode=atomic $d
+    go test -coverprofile=profile.out -covermode=atomic $d
     if [ -f profile.out ]; then
         cat profile.out >> coverage.txt
         rm profile.out