78 lines
2.4 KiB
Java
Executable File
78 lines
2.4 KiB
Java
Executable File
import java.net.URI;
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import java.util.List;
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import javax.tools.DiagnosticCollector;
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import javax.tools.SimpleJavaFileObject;
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import javax.tools.ToolProvider;
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class CS2030STest {
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public static final String ANSI_RESET = "\u001B[0m";
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public static final String ANSI_RED = "\u001B[31m";
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public static final String ANSI_GREEN = "\u001B[32m";
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/**
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* Test if two objects are equals.
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*
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* @param test A description of the test.
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* @param output The output from an expression.
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* @param expect The expected output from that expression.
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* @return this object.
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*/
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public CS2030STest expect(String test, Object output, Object expect) {
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System.out.print(test);
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if ((expect == null && output == null) || output.equals(expect)) {
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System.out.println(".. " + ANSI_GREEN + "ok" + ANSI_RESET);
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} else {
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System.out.println(".. " + ANSI_RED + "failed" + ANSI_RESET);
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System.out.println(" expected: " + expect);
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System.out.println(" got this: " + output);
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}
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return this;
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}
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/**
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* Test if an expression compiles with/without error.
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*
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* @param test A description of the test.
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* @param statement The java statement to compile
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* @param success Whether the statement is expected to compile or not
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* (true if yes; false otherwise)
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* @return this object.
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*/
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public CS2030STest expectCompile(String test, String statement, boolean success) {
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System.out.print(test);
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class JavaSourceFromString extends SimpleJavaFileObject {
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final String code;
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JavaSourceFromString(String code) {
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super(URI.create("string:///TempClass.java"), Kind.SOURCE);
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this.code = "class TempClass {void foo(){" + code + ";}}";
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}
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@Override
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return code;
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}
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}
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boolean noError = ToolProvider
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.getSystemJavaCompiler()
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.getTask(null, null, new DiagnosticCollector<>(), null, null,
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List.of(new JavaSourceFromString(statement)))
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.call();
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if (noError != success) {
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System.out.println(".. " + ANSI_RED + "failed" + ANSI_RESET);
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if (!success) {
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System.out.println(" expected compilation error but it compiles fine.");
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} else {
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System.out.println(" expected the statement to compile without errors but it does not.");
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}
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} else {
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System.out.println(".. " + ANSI_GREEN + "ok" + ANSI_RESET);
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}
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return this;
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}
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}
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