diff options
Diffstat (limited to 'runtime/syntax/testdir/input/java_switch.java')
-rw-r--r-- | runtime/syntax/testdir/input/java_switch.java | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/runtime/syntax/testdir/input/java_switch.java b/runtime/syntax/testdir/input/java_switch.java new file mode 100644 index 0000000000..14b2e1149d --- /dev/null +++ b/runtime/syntax/testdir/input/java_switch.java @@ -0,0 +1,122 @@ +class SwitchTests // JDK 21+. +{ + static void echo(Object o) { System.out.println(o); } + + static { + interface Yieldable<T> + { + T yield(); + default Yieldable<T> default_() { return this; } + default Yieldable<T> when() { return this; } + } + + // There are 80 bytes (\@80<!) between "::" and "yield;". + Yieldable<?> y = ((Yieldable<?>) () -> 0):: + yield; + ((Yieldable<?>) () -> 0).when().default_().yield(); + + enum Letters { OTHER, ALPHA, BETA } + + Letters when = Letters.OTHER; + + switch (when) { + case ALPHA: { echo(Letters.ALPHA); break; } + case BETA: { echo(Letters.BETA); break; } + default: { echo(Letters.OTHER); } + } + + echo(switch (when) { + case ALPHA -> Letters.ALPHA; + case BETA -> Letters.BETA; + default -> { yield(Letters.OTHER); } + }); + + String yield = null; + + switch (yield) { + case "A": case "B": { echo("A or B"); break; } + case ":": { echo("Colon"); break; } + case String str when !str.equals(""): + { echo("<non-empty>"); break; } + case null: default: { echo("Other"); } + } + + echo(switch (yield) { + case "A", "B" -> { yield("A or B"); } + case "->" -> "Arrow"; + case String str when !str.equals("") + -> "<non-empty>"; + case null, default -> "Other"; + }); + + Object o = new Object(); + + switch (o) { + case null: { echo("null"); break; } + case Letters[] ll: { echo("SwitchTests$1Letters[]"); break; } + default: { echo("java.lang.Object"); break; } + }; + + echo(switch (o) { + case null -> "null"; + case Letters[] ll -> "SwitchTests$1Letters[]"; + default -> "java.lang.Object"; + }); + + char ch = 'c'; + + switch (ch) { + case 'a': { echo('a'); break; } + case 'b': { echo('b'); break; } + default: { echo('\u0000'); break; } + }; + + echo(switch (ch) { + case 'a' -> 'a'; + case 'b' -> 'b'; + default -> '\u0000'; + }); + + byte b = (byte) 2; + + switch (b) { + case ((byte) 0): { echo((byte) 0); break; } + case ((byte) 1): { echo((byte) 1); break; } + default: { echo((byte) -1); break; } + }; + + echo(switch (b) { + case ((byte) 0) -> (byte) 0; + case ((byte) 1) -> (byte) 1; + default -> (byte) -1; + }); + + short sh = (short) 2; + + switch (sh) { + case ((short) 0): { echo((short) 0); break; } + case ((short) 1): { echo((short) 1); break; } + default: { echo((short) -1); break; } + }; + + echo(switch (sh) { + case ((short) 0) -> (short) 0; + case ((short) 1) -> (short) 1; + default -> (short) -1; + }); + + int i = 2; + + switch (i) { + case 0b0__00___000: { echo(0); break; } + case 0x000___00__1: { echo(1); break; } + default: { echo(-1); break; } + }; + + echo(switch (i) { + case 0_0_0_0_0 -> 0; + case 1 -> 1; + default -> -1; + }); + } +} |