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java-tests.ts
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java-tests.ts
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// Copyright (c) 2017, Compiler Explorer Authors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
import {beforeAll, describe, expect, it} from 'vitest';
import {CompilationEnvironment} from '../lib/compilation-env.js';
import {JavaCompiler} from '../lib/compilers/index.js';
import * as utils from '../lib/utils.js';
import {ParsedAsmResultLine} from '../types/asmresult/asmresult.interfaces.js';
import {CompilerInfo} from '../types/compiler.interfaces.js';
import {fs, makeCompilationEnvironment} from './utils.js';
const languages = {
java: {id: 'java'},
};
const info = {
exe: null,
remote: true,
lang: languages.java.id,
} as unknown as CompilerInfo;
describe('Basic compiler setup', () => {
let env: CompilationEnvironment;
beforeAll(() => {
env = makeCompilationEnvironment({languages});
});
it('Should not crash on instantiation', () => {
new JavaCompiler(info, env);
});
it('should ignore second param for getOutputFilename', () => {
// Because javac produces a class files based on user provided class names,
// it's not possible to determine the main class file before compilation/parsing
const compiler = new JavaCompiler(info, env);
if (process.platform === 'win32') {
expect(compiler.getOutputFilename('/tmp/')).toEqual('\\tmp\\example.class');
} else {
expect(compiler.getOutputFilename('/tmp/')).toEqual('/tmp/example.class');
}
});
describe('Forbidden compiler arguments', () => {
it('JavaCompiler should not allow -d parameter', () => {
const compiler = new JavaCompiler(info, env);
expect(compiler.filterUserOptions(['hello', '-d', '--something', '--something-else'])).toEqual([
'hello',
'--something-else',
]);
expect(compiler.filterUserOptions(['hello', '-d'])).toEqual(['hello']);
expect(compiler.filterUserOptions(['-d', 'something', 'something-else'])).toEqual(['something-else']);
});
it('JavaCompiler should not allow -s parameter', () => {
const compiler = new JavaCompiler(info, env);
expect(compiler.filterUserOptions(['hello', '-s', '--something', '--something-else'])).toEqual([
'hello',
'--something-else',
]);
expect(compiler.filterUserOptions(['hello', '-s'])).toEqual(['hello']);
expect(compiler.filterUserOptions(['-s', 'something', 'something-else'])).toEqual(['something-else']);
});
it('JavaCompiler should not allow --source-path parameter', () => {
const compiler = new JavaCompiler(info, env);
expect(compiler.filterUserOptions(['hello', '--source-path', '--something', '--something-else'])).toEqual([
'hello',
'--something-else',
]);
expect(compiler.filterUserOptions(['hello', '--source-path'])).toEqual(['hello']);
expect(compiler.filterUserOptions(['--source-path', 'something', 'something-else'])).toEqual([
'something-else',
]);
});
it('JavaCompiler should not allow -sourcepath parameter', () => {
const compiler = new JavaCompiler(info, env);
expect(compiler.filterUserOptions(['hello', '-sourcepath', '--something', '--something-else'])).toEqual([
'hello',
'--something-else',
]);
expect(compiler.filterUserOptions(['hello', '-sourcepath'])).toEqual(['hello']);
expect(compiler.filterUserOptions(['-sourcepath', 'something', 'something-else'])).toEqual([
'something-else',
]);
});
});
});
describe('javap parsing', () => {
let compiler: JavaCompiler;
let env: CompilationEnvironment;
beforeAll(() => {
env = makeCompilationEnvironment({languages});
compiler = new JavaCompiler(info, env);
});
async function testJava(baseFolder: string, ...classNames: string[]) {
const compiler = new JavaCompiler(info, env);
const asm = classNames.map(className => {
return {text: fs.readFileSync(`${baseFolder}/${className}.asm`).toString()};
});
const output = utils.splitLines(fs.readFileSync(`${baseFolder}/output.asm`).toString());
const expectedSegments = output.map(line => {
const match = line.match(/^line (\d+):(.*)$/);
if (match) {
return {
text: match[2],
source: {
line: parseInt(match[1]),
file: null,
},
};
}
return {
text: line,
source: null,
};
});
const result = {
asm,
};
const processed = await compiler.processAsm(result);
expect(processed).toHaveProperty('asm');
const asmSegments = (processed as {asm: ParsedAsmResultLine[]}).asm;
expect(asmSegments).toEqual(expectedSegments);
}
it('should handle errors', async () => {
const result = {
asm: '<Compilation failed>',
};
await expect(compiler.processAsm(result)).resolves.toEqual([{text: '<Compilation failed>', source: null}]);
});
it('Parses simple class with one method', () => {
return Promise.all([testJava('test/java/square', 'javap-square')]);
});
it('Preserves ordering of multiple classes', () => {
return Promise.all([
testJava('test/java/two-classes', 'ZFirstClass', 'ASecondClass'),
testJava('test/java/two-classes', 'ASecondClass', 'ZFirstClass'),
]);
});
it('Properly parses lookupswitch blocks', () => {
return testJava('test/java/lookupswitch-bug-2995', 'Main');
});
});