From 7926bd593bd2eabea3d0922938dfc47ac1fe9e20 Mon Sep 17 00:00:00 2001
From: Sourabh U Betigeri <sourabhbetigeri@gmail.com>
Date: Tue, 21 Oct 2025 09:22:17 -0600
Subject: [PATCH] SWDEV-545245 - Adds new test for
 hipDeviceGetTExture1DLinearMaxWidth (#763)

---
 .../catch/unit/texture/CMakeLists.txt         |   2 +-
 .../hipDeviceGetTexture1DLinearMaxWidth.cc    | 104 ++++++++++++++++++
 2 files changed, 105 insertions(+), 1 deletion(-)
 create mode 100644 projects/hip-tests/catch/unit/texture/hipDeviceGetTexture1DLinearMaxWidth.cc

diff --git a/projects/hip-tests/catch/unit/texture/CMakeLists.txt b/projects/hip-tests/catch/unit/texture/CMakeLists.txt
index 19ca57e578..53716114d6 100644
--- a/projects/hip-tests/catch/unit/texture/CMakeLists.txt
+++ b/projects/hip-tests/catch/unit/texture/CMakeLists.txt
@@ -69,7 +69,7 @@ set(TEST_SRC
     hipTexRefSetGetMipmapLevelBias.cc
     hipTexRefSetGetMipmapLevelClamp.cc
     hipTexRefSetGetMipmappedArray.cc
-
+    hipDeviceGetTexture1DLinearMaxWidth.cc
 )
 
 # tests not for gfx90a+
diff --git a/projects/hip-tests/catch/unit/texture/hipDeviceGetTexture1DLinearMaxWidth.cc b/projects/hip-tests/catch/unit/texture/hipDeviceGetTexture1DLinearMaxWidth.cc
new file mode 100644
index 0000000000..b4e244f8ac
--- /dev/null
+++ b/projects/hip-tests/catch/unit/texture/hipDeviceGetTexture1DLinearMaxWidth.cc
@@ -0,0 +1,104 @@
+/*
+Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+#include <hip_test_common.hh>
+
+/**
+ * Test Description
+ * ------------------------
+ *    - Positive test for hipDeviceGetTexture1DLinearMaxWidth
+ *    - Retrieves the maximum 1D linear texture width for a valid device and channel format.
+ *    - Verifies that return value is hipSuccess and the max width is non-zero.
+ * Test source
+ * ------------------------
+ *    - unit/texture/hipDeviceGetTexture1DLinearMaxWidth.cc
+ * Test requirements
+ * ------------------------
+ *    - HIP_VERSION >= 7.0
+ */
+TEST_CASE("Unit_hipDeviceGetTexture1DLinearMaxWidth_Positive") {
+  CHECK_IMAGE_SUPPORT
+
+  int deviceCount = 0;
+  HIP_CHECK(hipGetDeviceCount(&deviceCount));
+  REQUIRE(deviceCount > 0);
+
+  int device = 0;
+  HIP_CHECK(hipSetDevice(device));
+
+  size_t maxWidth = 0;
+  hipChannelFormatDesc desc = hipCreateChannelDesc<float>();
+
+  HIP_CHECK(hipDeviceGetTexture1DLinearMaxWidth(&maxWidth, &desc, device));
+  REQUIRE(maxWidth > 0);
+}
+
+/**
+ * Test Description
+ * ------------------------
+ *    - Negative test for hipDeviceGetTexture1DLinearMaxWidth
+ *    - Covers the following error scenarios:
+ *        1. nullptr for maxWidth
+ *        2. nullptr for channel format descriptor
+ *        3. zero-sized format descriptor (invalid element size)
+ *        4. invalid device ID
+ *    - Verifies that the API returns hipErrorInvalidValue or hipErrorInvalidDevice as expected.
+ * Test source
+ * ------------------------
+ *    - unit/texture/hipDeviceGetTexture1DLinearMaxWidth.cc
+ * Test requirements
+ * ------------------------
+ *    - HIP_VERSION >= 7.0
+ */
+TEST_CASE("Unit_hipDeviceGetTexture1DLinearMaxWidth_Negative") {
+  CHECK_IMAGE_SUPPORT
+
+  int deviceCount = 0;
+  HIP_CHECK(hipGetDeviceCount(&deviceCount));
+  REQUIRE(deviceCount > 0);
+
+  int device = 0;
+  HIP_CHECK(hipSetDevice(device));
+
+  size_t maxWidth = 0;
+  hipChannelFormatDesc validDesc = hipCreateChannelDesc<float>();
+  hipChannelFormatDesc zeroSizeDesc = {};
+
+  SECTION("maxWidth is nullptr") {
+    HIP_CHECK_ERROR(hipDeviceGetTexture1DLinearMaxWidth(nullptr, &validDesc, device),
+                    hipErrorInvalidValue);
+  }
+
+  SECTION("desc is nullptr") {
+    HIP_CHECK_ERROR(hipDeviceGetTexture1DLinearMaxWidth(&maxWidth, nullptr, device),
+                    hipErrorInvalidValue);
+  }
+
+  SECTION("desc has zero-sized element") {
+    HIP_CHECK_ERROR(hipDeviceGetTexture1DLinearMaxWidth(&maxWidth, &zeroSizeDesc, device),
+                    hipErrorInvalidValue);
+  }
+
+  SECTION("invalid device index") {
+    HIP_CHECK_ERROR(hipDeviceGetTexture1DLinearMaxWidth(&maxWidth, &validDesc, deviceCount + 100),
+                    hipErrorInvalidDevice);
+  }
+}
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