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Unified Diff: test/codegen/lib/convert/json_chunk_test.dart

Issue 1965563003: Update dart:convert and dart:core Uri. (Closed) Base URL: https://github.com/dart-lang/dev_compiler.git@master
Patch Set: Created 4 years, 7 months ago
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Index: test/codegen/lib/convert/json_chunk_test.dart
diff --git a/test/codegen/lib/convert/json_chunk_test.dart b/test/codegen/lib/convert/json_chunk_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..28e92977913fe95ec8f44f3b2b1d8214d822a50b
--- /dev/null
+++ b/test/codegen/lib/convert/json_chunk_test.dart
@@ -0,0 +1,173 @@
+// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library json_test;
+
+import "package:expect/expect.dart";
+import "dart:convert";
+
+bool badFormat(e) => e is FormatException;
+
+jsonTest(testName, expect, action(sink)) {
+ var sink = new ChunkedConversionSink.withCallback((values) {
+ var value = values[0];
+ Expect.equals(expect, value, "$testName:$value");
+ });
+ var decoderSink = JSON.decoder.startChunkedConversion(sink);
+ action(decoderSink);
+}
+
+jsonThrowsTest(testName, action(sink)) {
+ var sink = new ChunkedConversionSink.withCallback((values) {
+ Expect.fail("Should have thrown: $testName");
+ });
+ var decoderSink = JSON.decoder.startChunkedConversion(sink);
+ Expect.throws(() { action(decoderSink); }, (e) => e is FormatException,
+ testName);
+}
+
+main() {
+ testNumbers();
+ testStrings();
+ testKeywords();
+}
+
+void testStrings() {
+ var s = r'"abc\f\n\r\t\b\"\/\\\u0001\u9999\uffff"';
+ var expected = "abc\f\n\r\t\b\"\/\\\u0001\u9999\uffff";
+ for (var i = 1; i < s.length - 1; i++) {
+ var s1 = s.substring(0, i);
+ var s2 = s.substring(i);
+ jsonTest("$s1|$s2", expected, (sink) {
+ sink.add(s1);
+ sink.add(s2);
+ sink.close();
+ });
+ jsonTest("$s1|$s2", expected, (sink) {
+ sink.addSlice(s, 0, i, false);
+ sink.addSlice(s, i, s.length, true);
+ });
+ for (var j = i; j < s.length - 1; j++) {
+ var s2a = s.substring(i, j);
+ var s2b = s.substring(j);
+ jsonTest("$s1|$s2a|$s2b", expected, (sink) {
+ sink.add(s1);
+ sink.add(s2a);
+ sink.add(s2b);
+ sink.close();
+ });
+ }
+ }
+}
+
+void testNumbers() {
+ void testNumber(number) {
+ var expected = num.parse(number);
+ for (int i = 1; i < number.length - 1; i++) {
+ var p1 = number.substring(0, i);
+ var p2 = number.substring(i);
+ jsonTest("$p1|$p2", expected, (sink) {
+ sink.add(p1);
+ sink.add(p2);
+ sink.close();
+ });
+
+ jsonTest("$p1|$p2/slice", expected, (sink) {
+ sink.addSlice(number, 0, i, false);
+ sink.addSlice(number, i, number.length, true);
+ });
+
+ for (int j = i; j < number.length - 1; j++) {
+ var p2a = number.substring(i, j);
+ var p2b = number.substring(j);
+ jsonTest("$p1|$p2a|$p2b", expected, (sink) {
+ sink.add(p1);
+ sink.add(p2a);
+ sink.add(p2b);
+ sink.close();
+ });
+ }
+ }
+ }
+ for (var sign in ["-", ""]) {
+ for (var intPart in ["0", "1", "99"]) {
+ for (var decimalPoint in [".", ""]) {
+ for (var decimals in decimalPoint.isEmpty ? [""] : ["0", "99"]) {
+ for (var e in ["e", "e-", "e+", ""]) {
+ for (var exp in e.isEmpty ? [""] : ["0", "2", "22", "34"]) {
+ testNumber("$sign$intPart$decimalPoint$decimals$e$exp");
+ }
+ }
+ }
+ }
+ }
+ }
+
+ void negativeTest(number) {
+ for (int i = 1; i < number.length - 1; i++) {
+ var p1 = number.substring(0, i);
+ var p2 = number.substring(i);
+ jsonThrowsTest("$p1|$p2", (sink) {
+ sink.add(p1);
+ sink.add(p2);
+ sink.close();
+ });
+
+ jsonThrowsTest("$p1|$p2/slice", (sink) {
+ sink.addSlice(number, 0, i, false);
+ sink.addSlice(number, i, number.length, true);
+ });
+
+ for (int j = i; j < number.length - 1; j++) {
+ var p2a = number.substring(i, j);
+ var p2b = number.substring(j);
+ jsonThrowsTest("$p1|$p2a|$p2b", (sink) {
+ sink.add(p1);
+ sink.add(p2a);
+ sink.add(p2b);
+ sink.close();
+ });
+ }
+ }
+ }
+
+ negativeTest("+1e");
+ negativeTest("-00");
+ negativeTest("01");
+ negativeTest(".1");
+ negativeTest("0.");
+ negativeTest("0.e1");
+ negativeTest("1e");
+ negativeTest("1e+");
+ negativeTest("1e-");
+}
+
+void testKeywords() {
+ for (var expected in [null, true, false]) {
+ var s = "$expected";
+ for (int i = 1; i < s.length - 1; i++) {
+ var s1 = s.substring(0, i);
+ var s2 = s.substring(i);
+ jsonTest("$s1|$s2", expected, (sink) {
+ sink.add(s1);
+ sink.add(s2);
+ sink.close();
+ });
+ jsonTest("$s1|$s2", expected, (sink) {
+ sink.addSlice(s, 0, i, false);
+ sink.addSlice(s, i, s.length, true);
+ });
+ for (var j = i; j < s.length - 1; j++) {
+ var s2a = s.substring(i, j);
+ var s2b = s.substring(j);
+ jsonTest("$s1|$s2a|$s2b", expected, (sink) {
+ sink.add(s1);
+ sink.add(s2a);
+ sink.add(s2b);
+ sink.close();
+ });
+ }
+ }
+ }
+}

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