ladybird/Tests/AK/TestSourceGenerator.cpp
2021-05-06 17:54:28 +02:00

72 lines
1.9 KiB
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <AK/SourceGenerator.h>
TEST_CASE(wrap_builder)
{
StringBuilder builder;
SourceGenerator generator { builder };
generator.append("Hello, World!");
EXPECT_EQ(builder.string_view(), "Hello, World!");
}
TEST_CASE(generate_c_code)
{
StringBuilder builder;
SourceGenerator generator { builder };
generator.set("name", "foo");
generator.append("const char* @name@ (void) { return \"@name@\"; }");
EXPECT_EQ(generator.as_string_view(), "const char* foo (void) { return \"foo\"; }");
}
TEST_CASE(scoped)
{
StringBuilder builder;
SourceGenerator global_generator { builder };
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
{
auto scoped_generator_1 = global_generator.fork();
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
{
auto scoped_generator_2 = global_generator.fork();
scoped_generator_2.set("foo", "foo-2");
scoped_generator_2.append("@foo@ @bar@\n"); // foo-2 bar-0
{
auto scoped_generator_3 = scoped_generator_2.fork();
scoped_generator_3.set("bar", "bar-3");
scoped_generator_3.append("@foo@ @bar@\n"); // foo-2 bar-3
}
{
auto scoped_generator_4 = global_generator.fork();
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.as_string_view(), "\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");
}