strings_test.go

package strings_funcs

import (
	"testing"
)

func TestLowercase(t *testing.T) {
	if Lowercase("Hello") != "hello" {
		t.Errorf("expected 'hello', got '%s'", Lowercase("Hello"))
	}
}

func TestUppercase(t *testing.T) {
	if Uppercase("Hello") != "HELLO" {
		t.Errorf("expected 'HELLO', got '%s'", Uppercase("Hello"))
	}
}

func TestReplaceAll(t *testing.T) {
	if ReplaceAll("hello world", "o", "a") != "hella warld" {
		t.Errorf("expected 'hella warld', got '%s'", ReplaceAll("hello world", "o", "a"))
	}
}

func TestContains(t *testing.T) {
	if !Contains("hello", "ell") {
		t.Error("expected true")
	}
	if Contains("hello", "xyz") {
		t.Error("expected false")
	}
}

func TestHasPrefix(t *testing.T) {
	if !HasPrefix("hello", "hel") {
		t.Error("expected true")
	}
	if HasPrefix("hello", "world") {
		t.Error("expected false")
	}
}

func TestHasSuffix(t *testing.T) {
	if !HasSuffix("hello", "llo") {
		t.Error("expected true")
	}
	if HasSuffix("hello", "xyz") {
		t.Error("expected false")
	}
}

func TestSplit(t *testing.T) {
	expected := []string{"a", "b", "c"}
	result := Split("a,b,c", ",")
	if len(result) != len(expected) {
		t.Errorf("expected %v, got %v", expected, result)
	}
}

func TestJoin(t *testing.T) {
	if Join([]string{"a", "b", "c"}, "-") != "a-b-c" {
		t.Errorf("expected 'a-b-c', got '%s'", Join([]string{"a", "b", "c"}, "-"))
	}
}