Added basic assert functions

Contains_test.go

@@ -0,0 +1,29 @@
+package assert_test
+
+import (
+	"testing"
+
+	"git.akyoto.dev/go/assert"
+)
+
+func TestContains(t *testing.T) {
+	assert.Contains(t, "Hello", "H")
+	assert.Contains(t, "Hello", "Hello")
+	assert.Contains(t, []string{"Hello", "World"}, "Hello")
+	assert.Contains(t, []int{1, 2, 3}, 2)
+	assert.Contains(t, []int{1, 2, 3}, []int{})
+	assert.Contains(t, []int{1, 2, 3}, []int{1, 2})
+	assert.Contains(t, []byte{'H', 'e', 'l', 'l', 'o'}, byte('e'))
+	assert.Contains(t, []byte{'H', 'e', 'l', 'l', 'o'}, []byte{'e', 'l'})
+	assert.Contains(t, map[string]int{"Hello": 1, "World": 2}, "Hello")
+}
+
+func TestNotContains(t *testing.T) {
+	assert.NotContains(t, "Hello", "404")
+	assert.NotContains(t, []string{"Hello", "World"}, "404")
+	assert.NotContains(t, []int{1, 2, 3}, 4)
+	assert.NotContains(t, []int{1, 2, 3}, []int{2, 1})
+	assert.NotContains(t, []byte{'H', 'e', 'l', 'l', 'o'}, byte('a'))
+	assert.NotContains(t, []byte{'H', 'e', 'l', 'l', 'o'}, []byte{'l', 'e'})
+	assert.NotContains(t, map[string]int{"Hello": 1, "World": 2}, "404")
+}