From e4e1ce289df9afe76a56cef06d83845f89770585 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sun, 9 Aug 2015 19:30:54 +0200
Subject: [PATCH] TgaImporter: test that the image can be loaded twice in a
 row.

---
 .../TgaImporter/Test/TgaImporterTest.cpp      | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/MagnumPlugins/TgaImporter/Test/TgaImporterTest.cpp b/src/MagnumPlugins/TgaImporter/Test/TgaImporterTest.cpp
index 4cdb86e43..2f49b1a11 100644
--- a/src/MagnumPlugins/TgaImporter/Test/TgaImporterTest.cpp
+++ b/src/MagnumPlugins/TgaImporter/Test/TgaImporterTest.cpp
@@ -54,6 +54,8 @@ class TgaImporterTest: public TestSuite::Tester {
         void grayscaleBits16();
 
         void file();
+
+        void useTwice();
 };
 
 TgaImporterTest::TgaImporterTest() {
@@ -69,7 +71,9 @@ TgaImporterTest::TgaImporterTest() {
               &TgaImporterTest::grayscaleBits8,
               &TgaImporterTest::grayscaleBits16,
 
-              &TgaImporterTest::file});
+              &TgaImporterTest::file,
+
+              &TgaImporterTest::useTwice});
 }
 
 void TgaImporterTest::openNonexistent() {
@@ -230,6 +234,22 @@ void TgaImporterTest::file() {
         TestSuite::Compare::Container);
 }
 
+void TgaImporterTest::useTwice() {
+    TgaImporter importer;
+    CORRADE_VERIFY(importer.openFile(Utility::Directory::join(TGAIMPORTER_TEST_DIR, "file.tga")));
+
+    /* Verify that the file is rewinded for second use */
+    {
+        std::optional<Trade::ImageData2D> image = importer.image2D(0);
+        CORRADE_VERIFY(image);
+        CORRADE_COMPARE(image->size(), (Vector2i{2, 3}));
+    } {
+        std::optional<Trade::ImageData2D> image = importer.image2D(0);
+        CORRADE_VERIFY(image);
+        CORRADE_COMPARE(image->size(), (Vector2i{2, 3}));
+    }
+}
+
 }}}
 
 CORRADE_TEST_MAIN(Magnum::Trade::Test::TgaImporterTest)