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-rw-r--r--js/src/jsapi-tests/testPrintError.cpp125
1 files changed, 125 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testPrintError.cpp b/js/src/jsapi-tests/testPrintError.cpp
new file mode 100644
index 0000000000..31d2c2a95f
--- /dev/null
+++ b/js/src/jsapi-tests/testPrintError.cpp
@@ -0,0 +1,125 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <cstdio> // fclose, fflush, open_memstream
+
+#include "js/ErrorReport.h" // JS::PrintError
+#include "js/Warnings.h" // JS::SetWarningReporter, JS::WarnUTF8
+
+#include "jsapi-tests/tests.h"
+
+class AutoStreamBuffer {
+ char* buffer;
+ size_t size;
+ FILE* fp;
+
+ public:
+ AutoStreamBuffer() { fp = open_memstream(&buffer, &size); }
+
+ ~AutoStreamBuffer() {
+ fclose(fp);
+ free(buffer);
+ }
+
+ FILE* stream() { return fp; }
+
+ bool contains(const char* str) {
+ if (fflush(fp) != 0) {
+ fprintf(stderr, "Error flushing stream\n");
+ return false;
+ }
+ if (strcmp(buffer, str) != 0) {
+ fprintf(stderr, "Expected |%s|, got |%s|\n", str, buffer);
+ return false;
+ }
+ return true;
+ }
+};
+
+BEGIN_TEST(testPrintError_Works) {
+ AutoStreamBuffer buf;
+
+ CHECK(!execDontReport("throw null;", "testPrintError_Works.js", 3));
+
+ JS::ExceptionStack exnStack(cx);
+ CHECK(JS::StealPendingExceptionStack(cx, &exnStack));
+
+ JS::ErrorReportBuilder builder(cx);
+ CHECK(builder.init(cx, exnStack, JS::ErrorReportBuilder::NoSideEffects));
+ JS::PrintError(buf.stream(), builder, false);
+
+ CHECK(buf.contains("testPrintError_Works.js:3:1 uncaught exception: null\n"));
+
+ return true;
+}
+END_TEST(testPrintError_Works)
+
+BEGIN_TEST(testPrintError_SkipWarning) {
+ JS::SetWarningReporter(cx, warningReporter);
+ CHECK(JS::WarnUTF8(cx, "warning message"));
+ CHECK(warningSuccess);
+ return true;
+}
+
+static bool warningSuccess;
+
+static void warningReporter(JSContext* cx, JSErrorReport* report) {
+ AutoStreamBuffer buf;
+ JS::PrintError(buf.stream(), report, false);
+ warningSuccess = buf.contains("");
+}
+END_TEST(testPrintError_SkipWarning)
+
+bool cls_testPrintError_SkipWarning::warningSuccess = false;
+
+BEGIN_TEST(testPrintError_PrintWarning) {
+ JS::SetWarningReporter(cx, warningReporter);
+ CHECK(JS::WarnUTF8(cx, "warning message"));
+ CHECK(warningSuccess);
+ return true;
+}
+
+static bool warningSuccess;
+
+static void warningReporter(JSContext* cx, JSErrorReport* report) {
+ AutoStreamBuffer buf;
+ JS::PrintError(buf.stream(), report, true);
+ warningSuccess = buf.contains("warning: warning message\n");
+}
+END_TEST(testPrintError_PrintWarning)
+
+bool cls_testPrintError_PrintWarning::warningSuccess = false;
+
+#define BURRITO "\xF0\x9F\x8C\xAF"
+
+BEGIN_TEST(testPrintError_UTF16CodeUnits) {
+ AutoStreamBuffer buf;
+
+ static const char utf8code[] =
+ "function f() {\n var x = `\n" BURRITO "`; " BURRITO "; } f();";
+
+ CHECK(!execDontReport(utf8code, "testPrintError_UTF16CodeUnits.js", 1));
+
+ JS::ExceptionStack exnStack(cx);
+ CHECK(JS::StealPendingExceptionStack(cx, &exnStack));
+
+ JS::ErrorReportBuilder builder(cx);
+ CHECK(builder.init(cx, exnStack, JS::ErrorReportBuilder::NoSideEffects));
+ JS::PrintError(buf.stream(), builder, false);
+
+ CHECK(
+ buf.contains("testPrintError_UTF16CodeUnits.js:3:6 SyntaxError: illegal "
+ "character U+1F32F:\n"
+ "testPrintError_UTF16CodeUnits.js:3:6 " BURRITO "`; " BURRITO
+ "; } f();\n"
+ "testPrintError_UTF16CodeUnits.js:3:6 .....^\n"));
+
+ return true;
+}
+END_TEST(testPrintError_UTF16CodeUnits)
+
+#undef BURRITO