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author | temporal <temporal@630680e5-0e50-0410-840e-4b1c322b438d> | 2008-07-10 02:12:20 +0000 |
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committer | temporal <temporal@630680e5-0e50-0410-840e-4b1c322b438d> | 2008-07-10 02:12:20 +0000 |
commit | 40ee551715c3a784ea6132dbf604b0e665ca2def (patch) | |
tree | 6e3ea9674be5b0f59106f88f3afa1313854beebf /src/google/protobuf/io/printer_unittest.cc |
Initial checkin.
Diffstat (limited to 'src/google/protobuf/io/printer_unittest.cc')
-rw-r--r-- | src/google/protobuf/io/printer_unittest.cc | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/src/google/protobuf/io/printer_unittest.cc b/src/google/protobuf/io/printer_unittest.cc new file mode 100644 index 00000000..652728bc --- /dev/null +++ b/src/google/protobuf/io/printer_unittest.cc @@ -0,0 +1,210 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. +// http://code.google.com/p/protobuf/ +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Author: kenton@google.com (Kenton Varda) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. + +#include <vector> + +#include <google/protobuf/io/printer.h> +#include <google/protobuf/io/zero_copy_stream_impl.h> + +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/testing/googletest.h> +#include <gtest/gtest.h> + +namespace google { +namespace protobuf { +namespace io { +namespace { + +// Each test repeats over several block sizes in order to test both cases +// where particular writes cross a buffer boundary and cases where they do +// not. + +TEST(Printer, EmptyPrinter) { + char buffer[8192]; + const int block_size = 100; + ArrayOutputStream output(buffer, GOOGLE_ARRAYSIZE(buffer), block_size); + Printer printer(&output, '\0'); + EXPECT_TRUE(!printer.failed()); +} + +TEST(Printer, BasicPrinting) { + char buffer[8192]; + + for (int block_size = 1; block_size < 512; block_size *= 2) { + ArrayOutputStream output(buffer, sizeof(buffer), block_size); + + { + Printer printer(&output, '\0'); + + printer.Print("Hello World!"); + printer.Print(" This is the same line.\n"); + printer.Print("But this is a new one.\nAnd this is another one."); + + EXPECT_FALSE(printer.failed()); + } + + buffer[output.ByteCount()] = '\0'; + + EXPECT_STREQ(buffer, + "Hello World! This is the same line.\n" + "But this is a new one.\n" + "And this is another one."); + } +} + +TEST(Printer, VariableSubstitution) { + char buffer[8192]; + + for (int block_size = 1; block_size < 512; block_size *= 2) { + ArrayOutputStream output(buffer, sizeof(buffer), block_size); + + { + Printer printer(&output, '$'); + map<string, string> vars; + + vars["foo"] = "World"; + vars["bar"] = "$foo$"; + vars["abcdefg"] = "1234"; + + printer.Print(vars, "Hello $foo$!\nbar = $bar$\n"); + printer.Print(vars, "$abcdefg$\nA literal dollar sign: $$"); + + vars["foo"] = "blah"; + printer.Print(vars, "\nNow foo = $foo$."); + + EXPECT_FALSE(printer.failed()); + } + + buffer[output.ByteCount()] = '\0'; + + EXPECT_STREQ(buffer, + "Hello World!\n" + "bar = $foo$\n" + "1234\n" + "A literal dollar sign: $\n" + "Now foo = blah."); + } +} + +TEST(Printer, InlineVariableSubstitution) { + char buffer[8192]; + + ArrayOutputStream output(buffer, sizeof(buffer)); + + { + Printer printer(&output, '$'); + printer.Print("Hello $foo$!\n", "foo", "World"); + printer.Print("$foo$ $bar$\n", "foo", "one", "bar", "two"); + EXPECT_FALSE(printer.failed()); + } + + buffer[output.ByteCount()] = '\0'; + + EXPECT_STREQ(buffer, + "Hello World!\n" + "one two\n"); +} + +TEST(Printer, Indenting) { + char buffer[8192]; + + for (int block_size = 1; block_size < 512; block_size *= 2) { + ArrayOutputStream output(buffer, sizeof(buffer), block_size); + + { + Printer printer(&output, '$'); + map<string, string> vars; + + vars["newline"] = "\n"; + + printer.Print("This is not indented.\n"); + printer.Indent(); + printer.Print("This is indented\nAnd so is this\n"); + printer.Outdent(); + printer.Print("But this is not."); + printer.Indent(); + printer.Print(" And this is still the same line.\n" + "But this is indented.\n"); + printer.Print(vars, "Note that a newline in a variable will break " + "indenting, as we see$newline$here.\n"); + printer.Indent(); + printer.Print("And this"); + printer.Outdent(); + printer.Outdent(); + printer.Print(" is double-indented\nBack to normal."); + + EXPECT_FALSE(printer.failed()); + } + + buffer[output.ByteCount()] = '\0'; + + EXPECT_STREQ(buffer, + "This is not indented.\n" + " This is indented\n" + " And so is this\n" + "But this is not. And this is still the same line.\n" + " But this is indented.\n" + " Note that a newline in a variable will break indenting, as we see\n" + "here.\n" + " And this is double-indented\n" + "Back to normal."); + } +} + +// Death tests do not work on Windows as of yet. +#ifdef GTEST_HAS_DEATH_TEST +TEST(Printer, Death) { + char buffer[8192]; + + ArrayOutputStream output(buffer, sizeof(buffer)); + Printer printer(&output, '$'); + + EXPECT_DEBUG_DEATH(printer.Print("$nosuchvar$"), "Undefined variable"); + EXPECT_DEBUG_DEATH(printer.Print("$unclosed"), "Unclosed variable name"); + EXPECT_DEBUG_DEATH(printer.Outdent(), "without matching Indent"); +} +#endif // GTEST_HAS_DEATH_TEST + +TEST(Printer, WriteFailure) { + char buffer[16]; + + ArrayOutputStream output(buffer, sizeof(buffer)); + Printer printer(&output, '$'); + + // Print 16 bytes to fill the buffer exactly (should not fail). + printer.Print("0123456789abcdef"); + EXPECT_FALSE(printer.failed()); + + // Try to print one more byte (should fail). + printer.Print(" "); + EXPECT_TRUE(printer.failed()); + + // Should not crash + printer.Print("blah"); + EXPECT_TRUE(printer.failed()); + + // Buffer should contain the first 16 bytes written. + EXPECT_EQ("0123456789abcdef", string(buffer, sizeof(buffer))); +} + +} // namespace +} // namespace io +} // namespace protobuf +} // namespace google |