[PATCH v2 2/9] test: ipa: libipa: Add tets for Interpolator

[Kieran Bingham]

Quoting Stefan Klug (2024-09-13 08:57:20)
> Add tests for the Interpolator class.
> 
> Signed-off-by: Stefan Klug <stefan.klug at ideasonboard.com>
> ---
>  test/ipa/libipa/interpolator.cpp | 55 ++++++++++++++++++++++++++++++++
>  test/ipa/libipa/meson.build      | 15 +++++++++
>  test/ipa/meson.build             |  1 +
>  3 files changed, 71 insertions(+)
>  create mode 100644 test/ipa/libipa/interpolator.cpp
>  create mode 100644 test/ipa/libipa/meson.build
> 
> diff --git a/test/ipa/libipa/interpolator.cpp b/test/ipa/libipa/interpolator.cpp
> new file mode 100644
> index 000000000000..adb215386f0e
> --- /dev/null
> +++ b/test/ipa/libipa/interpolator.cpp
> @@ -0,0 +1,55 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +/*
> + * Copyright (C) 2024, Paul Elder <paul.elder at ideasonboard.com>
> + *
> + * Miscellaneous utility tests
> + */
> +
> +#include <cmath>
> +#include <iostream>
> +#include <map>
> +#include <stdint.h>
> +#include <stdio.h>
> +
> +#include "../src/ipa/libipa/interpolator.h"
> +
> +#include "test.h"
> +
> +using namespace std;
> +using namespace libcamera;
> +using namespace ipa;
> +
> +#define ASSERT_EQ(a, b) \
> +       if((a) != (b)) { printf(#a  " != " #b "\n"); \
> +               return TestFail; \

We wouldn't normally hide return statements in a macro - but given the
small scope of the macro here, and how it helps improve readability, and
we're in tests- I think it's fine, and helpful



> +       }
> +
> +class InterpolatorTest : public Test
> +{
> +protected:
> +
> +       int run()
> +       {
> +               Interpolator<int> interpolator;
> +               interpolator.setData({{10,100},{20,200},{30,300}});
> +
> +               ASSERT_EQ(interpolator.getInterpolated(0), 100);
> +               ASSERT_EQ(interpolator.getInterpolated(10), 100);
> +               ASSERT_EQ(interpolator.getInterpolated(20), 200);
> +               ASSERT_EQ(interpolator.getInterpolated(25), 250);
> +               ASSERT_EQ(interpolator.getInterpolated(30), 300);
> +               ASSERT_EQ(interpolator.getInterpolated(40), 300);
> +
> +               interpolator.setQuantization(10);
> +               unsigned int q = 0;
> +               ASSERT_EQ(interpolator.getInterpolated(25, &q), 300);
> +               ASSERT_EQ(q, 30);
> +               ASSERT_EQ(interpolator.getInterpolated(24, &q), 200);
> +               ASSERT_EQ(q, 20);
> +               

nit: Delete a blank line

Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>

> +
> +               return TestPass;
> +       }
> +};
> +
> +TEST_REGISTER(InterpolatorTest)
> diff --git a/test/ipa/libipa/meson.build b/test/ipa/libipa/meson.build
> new file mode 100644
> index 000000000000..4d2427dbd4e7
> --- /dev/null
> +++ b/test/ipa/libipa/meson.build
> @@ -0,0 +1,15 @@
> +# SPDX-License-Identifier: CC0-1.0
> +
> +libipa_test = [
> +    {'name': 'interpolator', 'sources': ['interpolator.cpp']},
> +]
> +
> +foreach test : libipa_test
> +    exe = executable(test['name'], test['sources'],
> +                     dependencies : [libcamera_private, libipa_dep],
> +                     link_with : [test_libraries],
> +                     include_directories : [test_includes_internal,
> +                                            '../../../src/ipa/libipa/'])
> +
> +    test(test['name'], exe, suite : 'ipa')
> +endforeach
> diff --git a/test/ipa/meson.build b/test/ipa/meson.build
> index e9871aba44ee..63820de54899 100644
> --- a/test/ipa/meson.build
> +++ b/test/ipa/meson.build
> @@ -1,5 +1,6 @@
>  # SPDX-License-Identifier: CC0-1.0
>  
> +subdir('libipa')
>  subdir('rkisp1')
>  
>  ipa_test = [
> -- 
> 2.43.0
>