now is go gettable and updated make file

cmd/micro/util_test.go

@@ -0,0 +1,65 @@
+package main
+
+import "testing"
+
+func TestNumOccurences(t *testing.T) {
+	var tests = []struct {
+		inputStr  string
+		inputChar byte
+		want      int
+	}{
+		{"aaaa", 'a', 4},
+		{"\trfd\ta", '\t', 2},
+		{"∆ƒ\tø ® \t\t", '\t', 3},
+	}
+	for _, test := range tests {
+		if got := NumOccurences(test.inputStr, test.inputChar); got != test.want {
+			t.Errorf("NumOccurences(%s, %c) = %d", test.inputStr, test.inputChar, got)
+		}
+	}
+}
+
+func TestSpaces(t *testing.T) {
+	var tests = []struct {
+		input int
+		want  string
+	}{
+		{4, "    "},
+		{0, ""},
+	}
+	for _, test := range tests {
+		if got := Spaces(test.input); got != test.want {
+			t.Errorf("Spaces(%d) = \"%s\"", test.input, got)
+		}
+	}
+}
+
+func TestIsWordChar(t *testing.T) {
+	if IsWordChar("t") == false {
+		t.Errorf("IsWordChar(t) = false")
+	}
+	if IsWordChar("T") == false {
+		t.Errorf("IsWordChar(T) = false")
+	}
+	if IsWordChar("5") == false {
+		t.Errorf("IsWordChar(5) = false")
+	}
+	if IsWordChar("_") == false {
+		t.Errorf("IsWordChar(_) = false")
+	}
+	if IsWordChar("~") == true {
+		t.Errorf("IsWordChar(~) = true")
+	}
+	if IsWordChar(" ") == true {
+		t.Errorf("IsWordChar( ) = true")
+	}
+	if IsWordChar("ß") == true {
+		t.Errorf("IsWordChar(ß) = true")
+	}
+	if IsWordChar(")") == true {
+		t.Errorf("IsWordChar()) = true")
+	}
+	if IsWordChar("\n") == true {
+		t.Errorf("IsWordChar(\n)) = true")
+	}
+}