Create basic Expression types

src/main/java/com/github/zafarkhaja/semver/expr/And.java

@@ -0,0 +1,46 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+class And implements Expression {
+
+    private final Expression left;
+    private final Expression right;
+
+    And(Expression left, Expression right) {
+        this.left = left;
+        this.right = right;
+    }
+
+    @Override
+    public boolean interpret(Version version) {
+        return left.interpret(version) && right.interpret(version);
+    }
+}

src/main/java/com/github/zafarkhaja/semver/expr/Equal.java

@@ -0,0 +1,44 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+class Equal implements Expression {
+
+    private final Version parsedVersion;
+
+    Equal(Version parsedVersion) {
+        this.parsedVersion = parsedVersion;
+    }
+
+    @Override
+    public boolean interpret(Version version) {
+        return version.equals(parsedVersion);
+    }
+}

src/main/java/com/github/zafarkhaja/semver/expr/Expression.java

@@ -0,0 +1,34 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+public interface Expression {
+    boolean interpret(Version version);
+}

src/main/java/com/github/zafarkhaja/semver/expr/Greater.java

@@ -0,0 +1,44 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+class Greater implements Expression {
+
+    private final Version parsedVersion;
+
+    Greater(Version parsedVersion) {
+        this.parsedVersion = parsedVersion;
+    }
+
+    @Override
+    public boolean interpret(Version version) {
+        return version.greaterThan(parsedVersion);
+    }
+}

src/main/java/com/github/zafarkhaja/semver/expr/GreaterOrEqual.java

@@ -0,0 +1,44 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+class GreaterOrEqual implements Expression {
+
+    private final Version parsedVersion;
+
+    GreaterOrEqual(Version parsedVersion) {
+        this.parsedVersion = parsedVersion;
+    }
+
+    @Override
+    public boolean interpret(Version version) {
+        return version.greaterThanOrEqualTo(parsedVersion);
+    }
+}

src/main/java/com/github/zafarkhaja/semver/expr/Less.java

@@ -0,0 +1,44 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+class Less implements Expression {
+
+    private final Version parsedVersion;
+
+    Less(Version parsedVersion) {
+        this.parsedVersion = parsedVersion;
+    }
+
+    @Override
+    public boolean interpret(Version version) {
+        return version.lessThan(parsedVersion);
+    }
+}

src/main/java/com/github/zafarkhaja/semver/expr/LessOrEqual.java

@@ -0,0 +1,44 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+class LessOrEqual implements Expression {
+
+    private final Version parsedVersion;
+
+    LessOrEqual(Version parsedVersion) {
+        this.parsedVersion = parsedVersion;
+    }
+
+    @Override
+    public boolean interpret(Version version) {
+        return version.lessThanOrEqualTo(parsedVersion);
+    }
+}

src/main/java/com/github/zafarkhaja/semver/expr/Not.java

@@ -0,0 +1,44 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+class Not implements Expression {
+
+    private final Expression expr;
+
+    Not(Expression expr) {
+        this.expr = expr;
+    }
+
+    @Override
+    public boolean interpret(Version version) {
+        return !expr.interpret(version);
+    }
+}

src/main/java/com/github/zafarkhaja/semver/expr/NotEqual.java

@@ -0,0 +1,44 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+class NotEqual implements Expression {
+
+    private final Version parsedVersion;
+
+    NotEqual(Version parsedVersion) {
+        this.parsedVersion = parsedVersion;
+    }
+
+    @Override
+    public boolean interpret(Version version) {
+        return !version.equals(parsedVersion);
+    }
+}

src/main/java/com/github/zafarkhaja/semver/expr/Or.java

@@ -0,0 +1,46 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+class Or implements Expression {
+
+    private final Expression left;
+    private final Expression right;
+
+    Or(Expression left, Expression right) {
+        this.left = left;
+        this.right = right;
+    }
+
+    @Override
+    public boolean interpret(Version version) {
+        return left.interpret(version) || right.interpret(version);
+    }
+}

src/test/java/com/github/zafarkhaja/semver/expr/AndTest.java

@@ -0,0 +1,53 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+public class AndTest {
+
+    @Test
+    public void shouldCheckIfBothExpressionsEvaluateToTrue() {
+        Expression left = new Expression() {
+            @Override
+            public boolean interpret(Version version) {
+                return true;
+            }
+        };
+        Expression right = new Expression() {
+            @Override
+            public boolean interpret(Version version) {
+                return true;
+            }
+        };
+        And and = new And(left, right);
+        assertTrue(and.interpret(null));
+    }
+}

src/test/java/com/github/zafarkhaja/semver/expr/EqualTest.java

@@ -0,0 +1,43 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+public class EqualTest {
+
+    @Test
+    public void shouldCheckIfVersionIsEqualToParsedVersion() {
+        Version parsed = Version.valueOf("1.2.3");
+        Equal eq = new Equal(parsed);
+        assertTrue(eq.interpret(Version.valueOf("1.2.3")));
+        assertFalse(eq.interpret(Version.valueOf("3.2.1")));
+    }
+}

src/test/java/com/github/zafarkhaja/semver/expr/GreaterOrEqualTest.java

@@ -0,0 +1,44 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+public class GreaterOrEqualTest {
+
+    @Test
+    public void shouldCheckIfVersionIsGreaterThanOrEqualToParsedVersion() {
+        Version parsed = Version.valueOf("2.0.0");
+        GreaterOrEqual ge = new GreaterOrEqual(parsed);
+        assertTrue(ge.interpret(Version.valueOf("3.2.1")));
+        assertTrue(ge.interpret(Version.valueOf("2.0.0")));
+        assertFalse(ge.interpret(Version.valueOf("1.2.3")));
+    }
+}

src/test/java/com/github/zafarkhaja/semver/expr/GreaterTest.java

@@ -0,0 +1,43 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+public class GreaterTest {
+
+    @Test
+    public void shouldCheckIfVersionIsGreaterThanParsedVersion() {
+        Version parsed = Version.valueOf("2.0.0");
+        Greater gt = new Greater(parsed);
+        assertTrue(gt.interpret(Version.valueOf("3.2.1")));
+        assertFalse(gt.interpret(Version.valueOf("1.2.3")));
+    }
+}

src/test/java/com/github/zafarkhaja/semver/expr/LessOrEqualTest.java

@@ -0,0 +1,44 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+public class LessOrEqualTest {
+
+    @Test
+    public void shouldCheckIfVersionIsLessThanOrEqualToParsedVersion() {
+        Version parsed = Version.valueOf("2.0.0");
+        LessOrEqual le = new LessOrEqual(parsed);
+        assertTrue(le.interpret(Version.valueOf("1.2.3")));
+        assertTrue(le.interpret(Version.valueOf("2.0.0")));
+        assertFalse(le.interpret(Version.valueOf("3.2.1")));
+    }
+}

src/test/java/com/github/zafarkhaja/semver/expr/LessTest.java

@@ -0,0 +1,43 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+public class LessTest {
+
+    @Test
+    public void shouldCheckIfVersionIsLessThanParsedVersion() {
+        Version parsed = Version.valueOf("2.0.0");
+        Less lt = new Less(parsed);
+        assertTrue(lt.interpret(Version.valueOf("1.2.3")));
+        assertFalse(lt.interpret(Version.valueOf("3.2.1")));
+    }
+}

src/test/java/com/github/zafarkhaja/semver/expr/NotEqualTest.java

@@ -0,0 +1,43 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+public class NotEqualTest {
+
+    @Test
+    public void shouldCheckIfVersionIsNotEqualToParsedVersion() {
+        Version parsed = Version.valueOf("1.2.3");
+        NotEqual ne = new NotEqual(parsed);
+        assertTrue(ne.interpret(Version.valueOf("3.2.1")));
+        assertFalse(ne.interpret(Version.valueOf("1.2.3")));
+    }
+}

src/test/java/com/github/zafarkhaja/semver/expr/NotTest.java

@@ -0,0 +1,56 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+public class NotTest {
+
+    @Test
+    public void shouldRevertBooleanResultOfExpression() {
+        Expression expr1 = new Expression() {
+            @Override
+            public boolean interpret(Version version) {
+                return false;
+            }
+        };
+        Expression expr2 = new Expression() {
+            @Override
+            public boolean interpret(Version version) {
+                return true;
+            }
+        };
+        Not not;
+        not = new Not(expr1);
+        assertTrue(not.interpret(null));
+        not = new Not(expr2);
+        assertFalse(not.interpret(null));
+    }
+}

src/test/java/com/github/zafarkhaja/semver/expr/OrTest.java

@@ -0,0 +1,53 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2013 Zafar Khaja <zafarkhaja@gmail.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.github.zafarkhaja.semver.expr;
+
+import com.github.zafarkhaja.semver.Version;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ *
+ * @author Zafar Khaja <zafarkhaja@gmail.com>
+ */
+public class OrTest {
+
+    @Test
+    public void shouldCheckIfOneOfTwoExpressionsEvaluateToTrue() {
+        Expression left = new Expression() {
+            @Override
+            public boolean interpret(Version version) {
+                return false;
+            }
+        };
+        Expression right = new Expression() {
+            @Override
+            public boolean interpret(Version version) {
+                return true;
+            }
+        };
+        Or or = new Or(left, right);
+        assertTrue(or.interpret(null));
+    }
+}