72 lines
2.3 KiB
Java
72 lines
2.3 KiB
Java
package testutil;
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import static org.junit.Assert.*;
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import sexpression.*;
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public final class TypeAssertions {
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public static void assertList(SExpression sExpression) {
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assertFalse(sExpression.isAtom());
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assertTrue(sExpression.isCons());
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assertFalse(sExpression.isFunction());
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assertTrue(sExpression.isList());
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assertFalse(sExpression.isNull());
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assertFalse(sExpression.isNumber());
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assertFalse(sExpression.isString());
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assertFalse(sExpression.isSymbol());
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}
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public static void assertNil(SExpression sExpression) {
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assertEquals(Nil.getInstance(), sExpression);
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assertTrue(sExpression.isAtom());
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assertFalse(sExpression.isCons());
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assertFalse(sExpression.isFunction());
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assertTrue(sExpression.isList());
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assertTrue(sExpression.isNull());
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assertFalse(sExpression.isNumber());
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assertFalse(sExpression.isString());
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assertTrue(sExpression.isSymbol());
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}
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public static void assertNumber(SExpression sExpression) {
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assertTrue(sExpression.isAtom());
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assertFalse(sExpression.isCons());
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assertFalse(sExpression.isFunction());
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assertFalse(sExpression.isList());
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assertFalse(sExpression.isNull());
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assertTrue(sExpression.isNumber());
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assertFalse(sExpression.isString());
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assertFalse(sExpression.isSymbol());
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}
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public static void assertString(SExpression sExpression) {
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assertTrue(sExpression.isAtom());
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assertFalse(sExpression.isCons());
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assertFalse(sExpression.isFunction());
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assertFalse(sExpression.isList());
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assertFalse(sExpression.isNull());
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assertFalse(sExpression.isNumber());
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assertTrue(sExpression.isString());
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assertFalse(sExpression.isSymbol());
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}
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public static void assertSymbol(SExpression sExpression) {
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assertTrue(sExpression.isAtom());
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assertFalse(sExpression.isCons());
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assertFalse(sExpression.isFunction());
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assertFalse(sExpression.isList());
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assertFalse(sExpression.isNull());
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assertFalse(sExpression.isNumber());
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assertFalse(sExpression.isString());
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assertTrue(sExpression.isSymbol());
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}
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public static void assertT(SExpression sExpression) {
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assertEquals(Symbol.T, sExpression);
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}
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}
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