ParseLibraryDescriptorTest.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * particular file as subject to the "Classpath" exception as provided
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package com.oracle.truffle.nfi.test.parser;

import com.oracle.truffle.nfi.types.NativeLibraryDescriptor;
import com.oracle.truffle.nfi.types.Parser;
import org.junit.Assert;
import org.junit.Test;

public class ParseLibraryDescriptorTest {

    @Test
    public void parseDefault() {
        NativeLibraryDescriptor def = Parser.parseLibraryDescriptor("default");
        Assert.assertTrue("isDefaultLibrary", def.isDefaultLibrary());
    }

    @Test
    public void parseFileStringSingle() {
        NativeLibraryDescriptor test = Parser.parseLibraryDescriptor("load 'test filename'");
        Assert.assertEquals("file name", "test filename", test.getFilename());
    }

    @Test
    public void parseFileStringDouble() {
        NativeLibraryDescriptor test = Parser.parseLibraryDescriptor("load \"test filename\"");
        Assert.assertEquals("file name", "test filename", test.getFilename());
    }

    @Test
    public void parseFileIdent() {
        NativeLibraryDescriptor test = Parser.parseLibraryDescriptor("load /test/path/file.so");
        Assert.assertEquals("file name", "/test/path/file.so", test.getFilename());
    }

    @Test
    public void parseWithOneFlag() {
        NativeLibraryDescriptor test = Parser.parseLibraryDescriptor("load(RTLD_NOW) testfile");
        Assert.assertEquals("file name", "testfile", test.getFilename());
        Assert.assertEquals("flag count", 1, test.getFlags().size());
        Assert.assertEquals("RTLD_NOW", test.getFlags().get(0));
    }

    @Test
    public void parseWithTwoFlags() {
        NativeLibraryDescriptor test = Parser.parseLibraryDescriptor("load(RTLD_NOW | RTLD_GLOBAL) testfile");
        Assert.assertEquals("file name", "testfile", test.getFilename());
        Assert.assertEquals("flag count", 2, test.getFlags().size());
        Assert.assertEquals("RTLD_NOW", test.getFlags().get(0));
        Assert.assertEquals("RTLD_GLOBAL", test.getFlags().get(1));
    }

    @Test(expected = IllegalArgumentException.class)
    public void parseUnknownCommand() {
        Parser.parseLibraryDescriptor("_unknown_command");
    }

    @Test(expected = IllegalArgumentException.class)
    public void parseUnknownToken() {
        Parser.parseLibraryDescriptor("%");
    }

    @Test(expected = IllegalArgumentException.class)
    public void parseEmpty() {
        Parser.parseLibraryDescriptor("");
    }

    @Test(expected = IllegalArgumentException.class)
    public void parseEmptyFlags() {
        Parser.parseLibraryDescriptor("load() testfile");
    }

    @Test(expected = IllegalArgumentException.class)
    public void parseFlagsError() {
        Parser.parseLibraryDescriptor("load(RTLD_NOW .) testfile");
    }

    @Test(expected = IllegalArgumentException.class)
    public void parseStringError() {
        Parser.parseLibraryDescriptor("load 'testfile");
    }
}