1 files changed, 49 insertions, 21 deletions
diff --git a/internal/pausedtimer/timer_test.go b/internal/pausedtimer/timer_test.go
index ac42690..924c07c 100644
--- a/internal/pausedtimer/timer_test.go
+++ b/internal/pausedtimer/timer_test.go
@@ -3,48 +3,76 @@ package pausedtimer
 import (
 	"testing"
 	"time"
-
-	"github.com/stretchr/testify/assert"
 )
 
 func TestNew(t *testing.T) {
 	d := 1 * time.Second
 	timer := New(d)
-	assert.Equal(t, d, timer.duration)
-	assert.NotNil(t, timer.Ticker)
+	if timer.duration != d {
+		t.Errorf("expected duration %#v, got %v", d, timer.duration)
+	}
+	if timer.Ticker == nil {
+		t.Error("expected Ticker to be non-nil")
+	}
+}
+
+func TestPauseTimerZeroDuration(t *testing.T) {
+	timer := New(0)
+	if timer.GetDuration() != 0 {
+		t.Errorf("expected duration %v, got %v", time.Duration(0), timer.GetDuration())
+	}
+	if timer.Ticker == nil {
+		t.Error("expected Ticker to be non-nil")
+	}
+}
+
+func TestPauseTimerResetToZero(t *testing.T) {
+	timer := New(1 * time.Second)
+	timer.Reset(0)
+	if timer.GetDuration() != 0 {
+		t.Errorf("expected duration %v, got %v", time.Duration(0), timer.GetDuration())
+	}
+}
+
 func TestPauseTimerPauseAndResume(t *testing.T) {
-    d := 1 * time.Second
-    timer := New(d)
-    timer.Stop() // Simulate pause
-    time.Sleep(500 * time.Millisecond)
-    timer.Resume()
+	d := 1 * time.Second
+	timer := New(d)
+	timer.Stop() // Simulate pause
+	time.Sleep(500 * time.Millisecond)
+	timer.Resume()
 
-    select {
-    case <-timer.C:
-        // Timer should not have fired yet
-        t.Fatal("Timer fired too early")
-    case <-time.After(600 * time.Millisecond):
-        // Timer should fire after resuming
-    }
+	select {
+	case <-timer.C:
+		// Timer should not have fired yet
+		t.Fatal("Timer fired too early")
+	case <-time.After(600 * time.Millisecond):
+		// Timer should fire after resuming
+	}
 }
 
 func TestPauseTimerReset(t *testing.T) {
 	d := 1 * time.Second
 	timer := New(d)
-	newD := 2 * time.Second
-	timer.Reset(newD)
-	assert.Equal(t, newD, timer.duration)
+	got := 2 * time.Second
+	timer.Reset(got)
+	if timer.duration != got {
+		t.Errorf("expected duration %v, got %v", got, timer.duration)
+	}
 }
 
 func TestPauseTimerResume(t *testing.T) {
 	d := 1 * time.Second
 	timer := NewStopped(d)
 	timer.Resume()
-	assert.Equal(t, d, timer.duration)
+	if timer.duration != d {
+		t.Errorf("expected duration %v, got %v", d, timer.duration)
+	}
 }
 
 func TestPauseTimerGetDuration(t *testing.T) {
 	d := 1 * time.Second
 	timer := New(d)
-	assert.Equal(t, d, timer.GetDuration())
+	if timer.GetDuration() != d {
+		t.Errorf("expected duration %v, got %v", d, timer.GetDuration())
+	}
 }