public static IEnumerable<object[]> AppendFormat_TestData()
{
yield return new object[] { "", null, "", new object[0], "" };
yield return new object[] { "", null, ", ", new object[0], ", " };
yield return new object[] { "Hello", null, ", Foo {0 }", new object[] { "Bar" }, "Hello, Foo Bar" }; // Ignores whitespace
yield return new object[] { "Hello", null, ", Foo {0}", new object[] { "Bar" }, "Hello, Foo Bar" };
yield return new object[] { "Hello", null, ", Foo {0} Baz {1}", new object[] { "Bar", "Foo" }, "Hello, Foo Bar Baz Foo" };
yield return new object[] { "Hello", null, ", Foo {0} Baz {1} Bar {2}", new object[] { "Bar", "Foo", "Baz" }, "Hello, Foo Bar Baz Foo Bar Baz" };
yield return new object[] { "Hello", null, ", Foo {0} Baz {1} Bar {2} Foo {3}", new object[] { "Bar", "Foo", "Baz", "Bar" }, "Hello, Foo Bar Baz Foo Bar Baz Foo Bar" };
// Length is positive
yield return new object[] { "Hello", null, ", Foo {0,2}", new object[] { "Bar" }, "Hello, Foo Bar" }; // MiValue's length > minimum length (so don't prepend whitespace)
yield return new object[] { "Hello", null, ", Foo {0,3}", new object[] { "B" }, "Hello, Foo B" }; // Value's length < minimum length (so prepend whitespace)
yield return new object[] { "Hello", null, ", Foo {0, 3}", new object[] { "B" }, "Hello, Foo B" }; // Same as above, but verify AppendFormat ignores whitespace
yield return new object[] { "Hello", null, ", Foo {0,0}", new object[] { "Bar" }, "Hello, Foo Bar" }; // Minimum length is 0
// Length is negative
yield return new object[] { "Hello", null, ", Foo {0,-2}", new object[] { "Bar" }, "Hello, Foo Bar" }; // Value's length > |minimum length| (so don't prepend whitespace)
yield return new object[] { "Hello", null, ", Foo {0,-3}", new object[] { "B" }, "Hello, Foo B " }; // Value's length < |minimum length| (so append whitespace)
yield return new object[] { "Hello", null, ", Foo {0, -3}", new object[] { "B" }, "Hello, Foo B " }; // Same as above, but verify AppendFormat ignores whitespace
yield return new object[] { "Hello", null, ", Foo {0,0}", new object[] { "Bar" }, "Hello, Foo Bar" }; // Minimum length is 0
yield return new object[] { "Hello", null, ", Foo {0:D6}", new object[] { 1 }, "Hello, Foo 000001" }; // Custom format
yield return new object[] { "Hello", null, ", Foo {0 :D6}", new object[] { 1 }, "Hello, Foo 000001" }; // Custom format with ignored whitespace
yield return new object[] { "Hello", null, ", Foo {0:}", new object[] { 1 }, "Hello, Foo 1" }; // Missing custom format
yield return new object[] { "Hello", null, ", Foo {0,9:D6}", new object[] { 1 }, "Hello, Foo 000001" }; // Positive minimum length and custom format
yield return new object[] { "Hello", null, ", Foo {0,-9:D6}", new object[] { 1 }, "Hello, Foo 000001 " }; // Negative length and custom format
yield return new object[] { "Hello", null, ", Foo {0:{{X}}Y{{Z}}} {0:X{{Y}}Z}", new object[] { 1 }, "Hello, Foo {X}Y{Z} X{Y}Z" }; // Custom format (with escaped curly braces)
yield return new object[] { "Hello", null, ", Foo {{{0}", new object[] { 1 }, "Hello, Foo {1" }; // Escaped open curly braces
yield return new object[] { "Hello", null, ", Foo }}{0}", new object[] { 1 }, "Hello, Foo }1" }; // Escaped closed curly braces
yield return new object[] { "Hello", null, ", Foo {0} {{0}}", new object[] { 1 }, "Hello, Foo 1 {0}" }; // Escaped placeholder
yield return new object[] { "Hello", null, ", Foo {0}", new object[] { null }, "Hello, Foo " }; // Values has null only
yield return new object[] { "Hello", null, ", Foo {0} {1} {2}", new object[] { "Bar", null, "Baz" }, "Hello, Foo Bar Baz" }; // Values has null
yield return new object[] { "Hello", CultureInfo.InvariantCulture, ", Foo {0,9:D6}", new object[] { 1 }, "Hello, Foo 000001" }; // Positive minimum length, custom format and custom format provider
yield return new object[] { "", new CustomFormatter(), "{0}", new object[] { 1.2 }, "abc" }; // Custom format provider
yield return new object[] { "", new CustomFormatter(), "{0:0}", new object[] { 1.2 }, "abc" }; // Custom format provider
}
