diff --git a/temporal_unmarshaljson_bool_test.go b/temporal_unmarshaljson_bool_test.go
new file mode 100644
index 0000000..3931ed8
--- /dev/null
+++ b/temporal_unmarshaljson_bool_test.go
@@ -0,0 +1,83 @@
+package tmp_test
+
+import (
+	"testing"
+
+	"encoding/json"
+
+	"sourcecode.social/reiver/go-tmp"
+)
+
+func TestTemporal_UnmarshalJSON_bool(t *testing.T) {
+
+	tests := []struct{
+		JSON string
+		Expected tmp.Temporal[bool]
+	}{
+		{
+			JSON: `false`,
+			Expected: tmp.Permanent(false),
+		},
+		{
+			JSON: `true`,
+			Expected: tmp.Permanent(true),
+		},
+	}
+
+	for testNumber, test := range tests {
+
+		var actual tmp.Temporal[bool]
+
+		err := json.Unmarshal([]byte(test.JSON), &actual)
+		if nil != err {
+			t.Errorf("For test #%d, did not expect an error but actually got one.", testNumber)
+			t.Logf("ERROR: (%T) %s", err, err)
+			t.Logf("JSON: %q", test.JSON)
+			t.Logf("EXPECTED: %#v", test.Expected)
+			t.Logf("ACTUAL:   %#v", actual)
+			continue
+		}
+
+		{
+			expected := test.Expected
+
+			if expected != actual {
+				t.Errorf("For test #%d, the actual value of the optional type is not what was expected.", testNumber)
+				t.Logf("EXPECTED: %#v", expected)
+				t.Logf("ACTUAL:   %#v", actual)
+				t.Logf("JSON: %q", test.JSON)
+				continue
+			}
+		}
+	}
+}
+
+func TestTemporal_UnmarshalJSON_bool_fail(t *testing.T) {
+
+	tests := []struct{
+		JSON string
+	}{
+		{
+			JSON: `null`,
+		},
+		{
+			JSON: `12345`,
+		},
+		{
+			JSON: `"something"`,
+		},
+	}
+
+	for testNumber, test := range tests {
+
+		var op tmp.Temporal[bool]
+
+		err := json.Unmarshal([]byte(test.JSON), &op)
+		if nil == err {
+			t.Errorf("For test #%d, expected an error but did not actually get one.", testNumber)
+			t.Logf("JSON: %q", test.JSON)
+			t.Logf("OP: %#v", op)
+			continue
+		}
+	}
+}