[jdk19] Add support for new guard pattern

3 files changed, 66 insertions, 1 deletions

diff --git a/test/pretty/resource/after/Switch19.java b/test/pretty/resource/after/Switch19.java
new file mode 100644
index 00000000..5947830b
--- /dev/null
+++ b/test/pretty/resource/after/Switch19.java
@@ -0,0 +1,32 @@
+public class Switch19 {
+	String switchPatternMatching(Object o) {
+		return switch (o) {
+			case Integer i -> String.format("int %d", i);
+			case Long l -> String.format("long %d", l);
+			case Double d -> String.format("double %f", d);
+			case String s -> String.format("String %s", s);
+			default -> o.toString();
+		};
+	}
+
+	String switchNull(Object o) {
+		return switch (o) {
+			case null, default -> "?";
+		};
+	}
+
+	String switchGuardPattern(Object o) {
+		return switch (o) {
+			case String s when s.length() > 1 -> s;
+			case String s -> s;
+			default -> o.toString();
+		};
+	}
+
+	String switchParenthesizedPattern(Object o) {
+		return switch (o) {
+			case (String s) -> s;
+			default -> o.toString();
+		};
+	}
+}
diff --git a/test/pretty/resource/before/Switch17.java b/test/pretty/resource/before/Switch17.java
index 17754e82..42a8f181 100644
--- a/test/pretty/resource/before/Switch17.java
+++ b/test/pretty/resource/before/Switch17.java
@@ -1,4 +1,4 @@
-// version 17:
+// version 17:18
 public class Switch17 {
 	String switchPatternMatching(Object o) {
 		return switch (o) {
diff --git a/test/pretty/resource/before/Switch19.java b/test/pretty/resource/before/Switch19.java
new file mode 100644
index 00000000..05b27928
--- /dev/null
+++ b/test/pretty/resource/before/Switch19.java
@@ -0,0 +1,33 @@
+// version 19:
+public class Switch19 {
+	String switchPatternMatching(Object o) {
+		return switch (o) {
+			case Integer i	-> String.format("int %d", i);
+			case Long l		-> String.format("long %d", l);
+			case Double d	-> String.format("double %f", d);
+			case String s	-> String.format("String %s", s);
+			default			-> o.toString();
+		};
+	}
+
+	String switchNull(Object o) {
+		return switch (o) {
+			case null, default	-> "?";
+		};
+	}
+
+	String switchGuardPattern(Object o) {
+		return switch (o) {
+			case String s when s.length() > 1	-> s;
+			case String s 						-> s;
+			default								-> o.toString();
+		};
+	}
+
+	String switchParenthesizedPattern(Object o) {
+		return switch (o) {
+			case (String s)	-> s;
+			default			-> o.toString();
+		};
+	}
+}