ladybird/AK/Tests/TestSourceGenerator.cpp

/*
 * Copyright (c) 2020, the SerenityOS developers.
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#include <AK/TestSuite.h>

#include <AK/SourceGenerator.h>

TEST_CASE(generate_c_code)
{
    SourceGenerator generator;
    generator.set("name", "foo");

    generator.append("const char* @name@ (void) { return \"@name@\"; }");

    EXPECT_EQ(generator.generate(), "const char* foo (void) { return \"foo\"; }");
}

TEST_CASE(scoped)
{
    SourceGenerator global_generator;

    global_generator.append("\n");

    global_generator.set("foo", "foo-0");
    global_generator.set("bar", "bar-0");
    global_generator.append("@foo@ @bar@\n"); // foo-0 bar-0

    {
        SourceGenerator scoped_generator_1 { global_generator };

        scoped_generator_1.set("bar", "bar-1");
        global_generator.append("@foo@ @bar@\n"); // foo-0 bar-0
    }

    global_generator.append("@foo@ @bar@\n"); // foo-0 bar-0

    {
        SourceGenerator scoped_generator_2 { global_generator };

        scoped_generator_2.set("foo", "foo-2");
        scoped_generator_2.append("@foo@ @bar@\n"); // foo-2 bar-0

        {
            // FIXME: This is never put onto the output?

            SourceGenerator scoped_generator_3 { scoped_generator_2 };
            scoped_generator_3.set("bar", "bar-3");
            scoped_generator_3.append("@foo@ @bar@\n"); // foo-2 bar-3
        }

        {
            SourceGenerator scoped_generator_4 { global_generator };
            scoped_generator_4.append("@foo@ @bar@\n"); // foo-0 bar-0
        }

        scoped_generator_2.append("@foo@ @bar@\n"); // foo-2 bar-0
    }

    EXPECT_EQ(global_generator.generate(), "\nfoo-0 bar-0\nfoo-0 bar-0\nfoo-0 bar-0\nfoo-2 bar-0\nfoo-2 bar-3\nfoo-0 bar-0\nfoo-2 bar-0\n");
}

TEST_MAIN(SourceGenerator)