TheRock/rocm-systems/projects/hip-tests/catch/unit/printf/hipPrintfWidthPrecision.cc

/*
 * Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
 *
 * SPDX-License-Identifier: MIT
 */

#include <hip_test_common.hh>
#include <hip_test_defgroups.hh>
#include "printf_common.h"  // NOLINT

__global__ void test_kernel_width() {
  printf("%16d\n", 42);
  printf("%.8d\n", 42);
  printf("%16.5d\n", -42);
  printf("%.8x\n", 0x42);
  printf("%.8o\n", 042);
  printf("%16.8e\n", 12345.67891);
  printf("%16.8f\n", -12345.67891);
  printf("%16.8g\n", 12345.67891);
  printf("%8.4e\n", -12345.67891);
  printf("%8.4f\n", 12345.67891);
  printf("%8.4g\n", 12345.67891);
  printf("%4.2f\n", 12345.67891);
  printf("%.1f\n", 12345.67891);
  printf("%.5s\n", "helloxyz");
}
/**
 * @addtogroup printf printf
 * @{
 * @ingroup PrintfTest
 * `int printf()` -
 * Method to print the content on output device.
 */
/**
 * Test Description
 * ------------------------
 * - Test case to verify the floating point details via printf API
 * Test source
 * ------------------------
 * - catch/unit/printf/hipPrintfWidthPrecision.cc
 * Test requirements
 * ------------------------
 * - HIP_VERSION >= 6.2
 */
HIP_TEST_CASE(Unit_Printf_PrintfWidthPrecision) {
  int pcieAtomic = 0;
  HIP_CHECK(hipDeviceGetAttribute(&pcieAtomic, hipDeviceAttributeHostNativeAtomicSupported, 0));
  if (!pcieAtomic) {
    HIP_SKIP_TEST(HipTest::SkipReason::kPcieAtomicUnsupported);
  }
  std::string reference(R"here(              42
00000042
          -00042
00000042
00000042
  1.23456789e+04
 -12345.67891000
       12345.679
-1.2346e+04
12345.6789
1.235e+04
12345.68
12345.7
hello
)here");
  CaptureStream captured(stdout);
  hipLaunchKernelGGL(test_kernel_width, dim3(1), dim3(1), 0, 0);
  HIP_CHECK(hipStreamSynchronize(0));
  auto CapturedData = captured.getCapturedData();
  std::string device_output = captured.gulp(CapturedData);
  REQUIRE(device_output == reference);
}

/**
 * End doxygen group PrintfTest.
 * @}
 */