diff --git a/jdk/test/java/nio/file/Files/StreamLinesTest.java b/jdk/test/java/nio/file/Files/StreamLinesTest.java index f0f218138ba..4c11d2a8a83 100644 --- a/jdk/test/java/nio/file/Files/StreamLinesTest.java +++ b/jdk/test/java/nio/file/Files/StreamLinesTest.java @@ -138,18 +138,25 @@ public class StreamLinesTest extends OpTestCase { StandardCharsets.ISO_8859_1, StandardCharsets.UTF_16); String[] lines = {"", "A", "AB", "ABC", "ABCD"}; - int[] linesSizes = {1, 2, 3, 4, 16, 256, 1024}; + int[] linesSizes = {0, 1, 2, 3, 4, 16, 256, 1024}; for (Charset charset : charsets) { - for (String line : lines) { - for (int linesSize : linesSizes) { - for (LineSeparator ls : EnumSet.complementOf(EnumSet.of(LineSeparator.NONE))) { - String description = String.format("%d lines of \"%s\" with separator %s", linesSize, line, ls); - l.add(of(description, - i -> line, - i -> ls, - linesSize, charset)); + for (int linesSize : linesSizes) { + if (linesSize > 0) { + for (String line : lines) { + for (LineSeparator ls : EnumSet.complementOf(EnumSet.of(LineSeparator.NONE))) { + String description = String.format("%d lines of \"%s\" with separator %s", linesSize, line, ls); + l.add(of(description, + i -> line, + i -> ls, + linesSize, charset)); + } } + } else { + l.add(of("Empty file: 0 lines", + i -> "", + i -> LineSeparator.NONE, + 0, charset)); } } }