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Minimal test - lines (105, 121)

Code

TEST(TextFormatterTestMismatch, format_d)
{
  nsString out;
  // just for completeness, this is our format, and works
  nsTextFormatter::ssprintf(out, u"%d", int(-1));
  EXPECT_STREQ("-1", NS_ConvertUTF16toUTF8(out).get());
  nsTextFormatter::ssprintf(out, u"%d", uint32_t(-1));
  EXPECT_STREQ("4294967295", NS_ConvertUTF16toUTF8(out).get());
#ifndef DEBUG
  nsTextFormatter::ssprintf(out, u"%d", float(3.5));
  EXPECT_STREQ("3.5", NS_ConvertUTF16toUTF8(out).get());
  nsTextFormatter::ssprintf(out, u"%d", "foo");
  EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
  nsTextFormatter::ssprintf(out, u"%d", u"foo");
  EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
#endif
}

Minimal test - lines (10, 47)

Code

TEST(TextFormatter, Tests)
{
  nsAutoString fmt(u"%3$s %4$S %1$d %2$d %2$d %3$s"_ns);
  char utf8[] = "Hello";
  char16_t ucs2[] = {'W',    'o',    'r',    'l',    'd',
                     0x4e00, 0xAc00, 0xFF45, 0x0103, 0x00};
  int d = 3;

  char16_t buf[256];
  nsTextFormatter::snprintf(buf, 256, fmt.get(), d, 333, utf8, ucs2);
  nsAutoString out(buf);

  const char16_t* uout = out.get();
  const char16_t expected[] = {
      0x48,   0x65,   0x6C,   0x6C,   0x6F, 0x20, 0x57, 0x6F, 0x72, 0x6C, 0x64,
      0x4E00, 0xAC00, 0xFF45, 0x0103, 0x20, 0x33, 0x20, 0x33, 0x33, 0x33, 0x20,
      0x33,   0x33,   0x33,   0x20,   0x48, 0x65, 0x6C, 0x6C, 0x6F};

  for (uint32_t i = 0; i < out.Length(); i++) {
    ASSERT_EQ(uout[i], expected[i]);
  }

  // Test that an unrecognized escape is passed through.
  nsString out2;
  nsTextFormatter::ssprintf(out2, u"%1m!", 23);
  EXPECT_STREQ("%1m!", NS_ConvertUTF16toUTF8(out2).get());

  // Treat NULL the same in both %s cases.
  nsTextFormatter::ssprintf(out2, u"%s %S", (char*)nullptr, (char16_t*)nullptr);
  EXPECT_STREQ("(null) (null)", NS_ConvertUTF16toUTF8(out2).get());

  nsTextFormatter::ssprintf(out2, u"%lld", INT64_MIN);
  EXPECT_STREQ("-9223372036854775808", NS_ConvertUTF16toUTF8(out2).get());

  // Regression test for bug 1401821.
  nsTextFormatter::ssprintf(out2, u"%*.f", 0, 23.2);
  EXPECT_STREQ("23", NS_ConvertUTF16toUTF8(out2).get());
}

Minimal test - lines (123, 139)

Code

TEST(TextFormatterTestMismatch, format_u)
{
  nsString out;
  nsTextFormatter::ssprintf(out, u"%u", int(-1));
  EXPECT_STREQ("4294967295", NS_ConvertUTF16toUTF8(out).get());
  // just for completeness, this is our format, and works
  nsTextFormatter::ssprintf(out, u"%u", uint32_t(-1));
  EXPECT_STREQ("4294967295", NS_ConvertUTF16toUTF8(out).get());
#ifndef DEBUG
  nsTextFormatter::ssprintf(out, u"%u", float(3.5));
  EXPECT_STREQ("3.5", NS_ConvertUTF16toUTF8(out).get());
  nsTextFormatter::ssprintf(out, u"%u", "foo");
  EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
  nsTextFormatter::ssprintf(out, u"%u", u"foo");
  EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
#endif
}

Minimal test - lines (53, 99)

Code

TEST(TextFormatterOrdering, orders)
{
  nsString out;

  // plain list
  nsTextFormatter::ssprintf(out, u"%S %S %S", u"1", u"2", u"3");
  EXPECT_STREQ("1 2 3", NS_ConvertUTF16toUTF8(out).get());

  // ordered list
  nsTextFormatter::ssprintf(out, u"%2$S %3$S %1$S", u"1", u"2", u"3");
  EXPECT_STREQ("2 3 1", NS_ConvertUTF16toUTF8(out).get());

  // Mixed ordered list and non-ordered does not work.  This shouldn't
  // crash (hence the calls to ssprintf) but should fail for for
  // snprintf.
  nsTextFormatter::ssprintf(out, u"%2S %S %1$S", u"1", u"2", u"3");
  nsTextFormatter::ssprintf(out, u"%S %2$S", u"1", u"2");
  char16_t buffer[1024];  // plenty big
  EXPECT_EQ(nsTextFormatter::snprintf(buffer, sizeof(buffer), u"%2S %S %1$S",
                                      u"1", u"2", u"3"),
            uint32_t(-1));
  EXPECT_EQ(
      nsTextFormatter::snprintf(buffer, sizeof(buffer), u"%S %2$S", u"1", u"2"),
      uint32_t(-1));

  // Referencing an extra param returns empty strings in release.
#ifndef DEBUG
  nsTextFormatter::ssprintf(out, u" %2$S ", u"1");
  EXPECT_STREQ("  ", NS_ConvertUTF16toUTF8(out).get());
#endif

  // Double referencing existing argument works
  nsTextFormatter::ssprintf(out, u"%1$S %1$S", u"1");
  EXPECT_STREQ("1 1", NS_ConvertUTF16toUTF8(out).get());

  // Dropping trailing argument works
  nsTextFormatter::ssprintf(out, u" %1$S ", u"1", u"2");
  EXPECT_STREQ(" 1 ", NS_ConvertUTF16toUTF8(out).get());

  // Dropping leading arguments works
  nsTextFormatter::ssprintf(out, u" %2$S ", u"1", u"2");
  EXPECT_STREQ(" 2 ", NS_ConvertUTF16toUTF8(out).get());

  // Dropping middle arguments works
  nsTextFormatter::ssprintf(out, u" %3$S %1$S ", u"1", u"2", u"3");
  EXPECT_STREQ(" 3 1 ", NS_ConvertUTF16toUTF8(out).get());
}