Added trie tests, value tests

ethutil/value_test.go

@@ -0,0 +1,38 @@
+package ethutil
+
+import (
+	"testing"
+)
+
+func TestValueCmp(t *testing.T) {
+	val1 := NewValue("hello")
+	val2 := NewValue("world")
+	if val1.Cmp(val2) {
+		t.Error("Expected values not to be equal")
+	}
+
+	val3 := NewValue("hello")
+	val4 := NewValue("hello")
+	if !val3.Cmp(val4) {
+		t.Error("Expected values to be equal")
+	}
+}
+
+func TestValueTypes(t *testing.T) {
+	str := NewValue("str")
+	num := NewValue(1)
+	inter := NewValue([]interface{}{1})
+
+	if str.Str() != "str" {
+		t.Errorf("expected Str to return 'str', got %s", str.Str())
+	}
+
+	if num.Uint() != 1 {
+		t.Errorf("expected Uint to return '1', got %d", num.Uint())
+	}
+
+	exp := []interface{}{1}
+	if !NewValue(inter.Interface()).Cmp(NewValue(exp)) {
+		t.Errorf("expected Interface to return '%v', got %v", exp, num.Interface())
+	}
+}