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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| package com.thoughtworks.qdox; | ||
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| import java.io.StringReader; | ||
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| import org.junit.Test; | ||
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| /** | ||
| * Examples from <a href="https://docs.oracle.com/en/java/javase/16/language/records.html">https://docs.oracle.com/en/java/javase/16/language/records.html</a> | ||
| * | ||
| * @author Robert Scholte | ||
| */ | ||
| public class RecordsTest | ||
| { | ||
| private JavaProjectBuilder builder = new JavaProjectBuilder(); | ||
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| @Test | ||
| public void withTwoFields() { | ||
| String source = "record Rectangle(double length, double width) { }"; | ||
| builder.addSource( new StringReader(source) ); | ||
| } | ||
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| @Test | ||
| public void withCanonicalConstructor() { | ||
| String source = "record Rectangle(double length, double width) {\n" | ||
| + " public Rectangle(double length, double width) {\n" | ||
| + " if (length <= 0 || width <= 0) {\n" | ||
| + " throw new java.lang.IllegalArgumentException(\n" | ||
| + " String.format(\"Invalid dimensions: %f, %f\", length, width));\n" | ||
| + " }\n" | ||
| + " this.length = length;\n" | ||
| + " this.width = width;\n" | ||
| + " }\n" | ||
| + "}"; | ||
| builder.addSource( new StringReader(source) ); | ||
| } | ||
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| @Test | ||
| public void withCompactConstructor() { | ||
| String source = "record Rectangle(double length, double width) {\n" | ||
| + " public Rectangle {\n" | ||
| + " if (length <= 0 || width <= 0) {\n" | ||
| + " throw new java.lang.IllegalArgumentException(\n" | ||
| + " String.format(\"Invalid dimensions: %f, %f\", length, width));\n" | ||
| + " }\n" | ||
| + " }\n" | ||
| + "}"; | ||
| builder.addSource( new StringReader(source) ); | ||
| } | ||
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| @Test | ||
| public void withPublicAccessorMethod() { | ||
| String source = "record Rectangle(double length, double width) {\n" | ||
| + " \n" | ||
| + " // Public accessor method\n" | ||
| + " public double length() {\n" | ||
| + " System.out.println(\"Length is \" + length);\n" | ||
| + " return length;\n" | ||
| + " }\n" | ||
| + "}"; | ||
| builder.addSource( new StringReader(source) ); | ||
| } | ||
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| @Test | ||
| public void withStaticMembers() { | ||
| String source = "record Rectangle(double length, double width) {\n" | ||
| + " \n" | ||
| + " // Static field\n" | ||
| + " static double goldenRatio;\n" | ||
| + "\n" | ||
| + " // Static initializer\n" | ||
| + " static {\n" | ||
| + " goldenRatio = (1 + Math.sqrt(5)) / 2;\n" | ||
| + " }\n" | ||
| + "\n" | ||
| + " // Static method\n" | ||
| + " public static Rectangle createGoldenRectangle(double width) {\n" | ||
| + " return new Rectangle(width, width * goldenRatio);\n" | ||
| + " }\n" | ||
| + "}"; | ||
| builder.addSource( new StringReader(source) ); | ||
| } | ||
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| @Test | ||
| public void withNonStaticMembers() { | ||
| String source = "record Rectangle(double length, double width) {\n" | ||
| + "\n" | ||
| + " // Field declarations must be static:\n" | ||
| + " BiFunction<Double, Double, Double> diagonal;\n" | ||
| + "\n" | ||
| + " // Instance initializers are not allowed in records:\n" | ||
| + " {\n" | ||
| + " diagonal = (x, y) -> Math.sqrt(x*x + y*y);\n" | ||
| + " }\n" | ||
| + "}"; | ||
| builder.addSource( new StringReader(source) ); | ||
| } | ||
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| @Test | ||
| public void withNestedRecord() { | ||
| String source = "record Rectangle(double length, double width) {\n" | ||
| + "\n" | ||
| + " // Nested record class\n" | ||
| + " record RotationAngle(double angle) {\n" | ||
| + " public RotationAngle {\n" | ||
| + " angle = Math.toRadians(angle);\n" | ||
| + " }\n" | ||
| + " }\n" | ||
| + " \n" | ||
| + " // Public instance method\n" | ||
| + " public Rectangle getRotatedRectangleBoundingBox(double angle) {\n" | ||
| + " RotationAngle ra = new RotationAngle(angle);\n" | ||
| + " double x = Math.abs(length * Math.cos(ra.angle())) +\n" | ||
| + " Math.abs(width * Math.sin(ra.angle()));\n" | ||
| + " double y = Math.abs(length * Math.sin(ra.angle())) +\n" | ||
| + " Math.abs(width * Math.cos(ra.angle()));\n" | ||
| + " return new Rectangle(x, y);\n" | ||
| + " }\n" | ||
| + "}"; | ||
| builder.addSource( new StringReader(source) ); | ||
| } | ||
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| @Test | ||
| public void withGenerics() { | ||
| String source = "record Triangle<C extends Coordinate> (C top, C left, C right) { }"; | ||
| builder.addSource( new StringReader(source) ); | ||
| } | ||
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| @Test | ||
| public void withInterface() { | ||
| String source = "record Customer(String... data) implements Billable { }"; | ||
| builder.addSource( new StringReader(source) ); | ||
| } | ||
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| @Test | ||
| public void withAnnotatedParameters() { | ||
| String source = "record Rectangle(\n" | ||
| + " @GreaterThanZero double length,\n" | ||
| + " @GreaterThanZero double width) { }"; | ||
| builder.addSource( new StringReader(source) ); | ||
| } | ||
| } |