From c29a5547b41a51254b2673e221d224672e8bf6c5 Mon Sep 17 00:00:00 2001
From: Henry Schimke <henry@azule.info>
Date: Mon, 3 Apr 2023 16:09:54 -0500
Subject: [PATCH] add specific cpp test cases

---
 tests/cpp_qr_code_blackbox_tests.rs | 146 ++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 tests/cpp_qr_code_blackbox_tests.rs

diff --git a/tests/cpp_qr_code_blackbox_tests.rs b/tests/cpp_qr_code_blackbox_tests.rs
new file mode 100644
index 0000000..856f235
--- /dev/null
+++ b/tests/cpp_qr_code_blackbox_tests.rs
@@ -0,0 +1,146 @@
+/*
+ * Copyright 2008 ZXing authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+use rxing::{
+    qrcode::{cpp_port::QrReader, QRCodeReader},
+    BarcodeFormat, MultiFormatReader,
+};
+
+mod common;
+
+/**
+ * @author Sean Owen
+ */
+
+#[test]
+fn qrcode_black_box1_test_case() {
+    let mut tester = common::AbstractBlackBoxTestCase::new(
+        "test_resources/blackbox/qrcode-1",
+        QrReader::default(),
+        rxing::BarcodeFormat::QR_CODE,
+    );
+    // super("src/test/resources/blackbox/qrcode-1", new MultiFormatReader(), BarcodeFormat.QR_CODE);
+    tester.add_test(17, 17, 0.0);
+    tester.add_test(14, 14, 90.0);
+    tester.add_test(17, 17, 180.0);
+    tester.add_test(14, 14, 270.0);
+
+    tester.test_black_box();
+}
+
+/**
+ * @author Sean Owen
+ */
+
+#[test]
+fn qrcode_black_box2_test_case() {
+    let mut tester = common::AbstractBlackBoxTestCase::new(
+        "test_resources/blackbox/qrcode-2",
+        // MultiFormatReader::default(),
+        QrReader {},
+        BarcodeFormat::QR_CODE,
+    );
+    tester.add_test(31, 31, 0.0);
+    tester.add_test(29, 29, 90.0);
+    tester.add_test(30, 30, 180.0);
+    tester.add_test(30, 30, 270.0);
+
+    tester.test_black_box();
+}
+
+/**
+ * @author dswitkin@google.com (Daniel Switkin)
+ */
+
+#[test]
+fn qrcode_black_box3_test_case() {
+    let mut tester = common::AbstractBlackBoxTestCase::new(
+        "test_resources/blackbox/qrcode-3",
+        QrReader::default(),
+        BarcodeFormat::QR_CODE,
+    );
+    tester.add_test(38, 38, 0.0);
+    tester.add_test(39, 39, 90.0);
+    tester.add_test(36, 36, 180.0);
+    tester.add_test(39, 39, 270.0);
+
+    tester.test_black_box();
+}
+
+/**
+ * Tests of various QR Codes from t-shirts, which are notoriously not flat.
+ *
+ * @author dswitkin@google.com (Daniel Switkin)
+ */
+
+#[test]
+fn qrcode_black_box4_test_case() {
+    let mut tester = common::AbstractBlackBoxTestCase::new(
+        "test_resources/blackbox/qrcode-4",
+        QrReader::default(),
+        // QRCodeReader::new(),
+        BarcodeFormat::QR_CODE,
+    );
+    tester.add_test(36, 36, 0.0);
+    tester.add_test(35, 35, 90.0);
+    tester.add_test(35, 35, 180.0);
+    tester.add_test(35, 35, 270.0);
+
+    tester.test_black_box();
+}
+
+/**
+ * Some very difficult exposure conditions including self-shadowing, which happens a lot when
+ * pointing down at a barcode (i.e. the phone's shadow falls across part of the image).
+ * The global histogram gets about 5/15, where the local one gets 15/15.
+ *
+ * @author dswitkin@google.com (Daniel Switkin)
+ */
+
+#[test]
+fn qrcode_black_box5_test_case() {
+    let mut tester = common::AbstractBlackBoxTestCase::new(
+        "test_resources/blackbox/qrcode-5",
+        QrReader::default(),
+        BarcodeFormat::QR_CODE,
+    );
+    tester.add_test(19, 19, 0.0);
+    tester.add_test(19, 19, 90.0);
+    tester.add_test(19, 19, 180.0);
+    tester.add_test(19, 19, 270.0);
+
+    tester.test_black_box();
+}
+
+/**
+ * These tests are supplied by Tim Gernat and test finder pattern detection at small size and under
+ * rotation, which was a weak spot.
+ */
+
+#[test]
+fn qrcode_black_box6_test_case() {
+    let mut tester = common::AbstractBlackBoxTestCase::new(
+        "test_resources/blackbox/qrcode-6",
+        QrReader::default(),
+        BarcodeFormat::QR_CODE,
+    );
+    tester.add_test(15, 15, 0.0);
+    tester.add_test(14, 14, 90.0);
+    tester.add_test(13, 13, 180.0);
+    tester.add_test(14, 14, 270.0);
+
+    tester.test_black_box();
+}