[clang] [clang-format] Fix erroneous BraceWrapping.BeforeLambdaBody column calcs (PR #76673)

[James Grant via cfe-commits]

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@@ -22965,6 +22965,84 @@ TEST_F(FormatTest, EmptyLinesInLambdas) {
                "};");
 }
 
+TEST_F(FormatTest, BreakBeforeLambdaBodyWrapping) {
+  verifyFormat("connect([]() {\n"
+               "  foo();\n"
+               "  bar();\n"
+               "});");
+
+  auto Style = getLLVMStyle();
+  Style.BreakBeforeBraces = FormatStyle::BS_Custom;
+  Style.BraceWrapping.BeforeLambdaBody = true;
+
+  verifyFormat("connect(\n"
+               "    []()\n"
+               "    {\n"
+               "      foo();\n"
+               "      bar();\n"
+               "    });",
+               Style);
+
+  for (unsigned l : {0, 41}) {
----------------
jamesg-nz wrote:

Now testing ColumnLimit = 0 once separately. Unrolled remaining loop (that doesn't test = 0) into two verifications.

Loops make it hard to see in test results for what value it is failing for, I guess. Although saw other people had used them in that file.

https://github.com/llvm/llvm-project/pull/76673