R Under development (unstable) (2025-01-15 r87581) -- "Unsuffered Consequences"
Copyright (C) 2025 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> if (require(RUnit)) {
+   library(FeatureHashing)
+   df <- data.frame(a = rnorm(3), b = c("1,2", "1,,3", ",2,3"), stringsAsFactors = FALSE)
+   m <- hashed.model.matrix(~ a * split(b), df, create.mapping = TRUE)
+   mapping <- attr(m, "mapping")
+   checkTrue(!"b" %in% ls(mapping), "the output contains the column corresponding to empty string")
+   df$b <- factor(df$b)
+   m <- hashed.model.matrix(~ a * split(b), df, create.mapping = TRUE)
+   mapping <- attr(m, "mapping")
+   checkTrue(!"b" %in% ls(mapping), "the output contains the column corresponding to empty string")
+ }
Loading required package: RUnit
pmurhash.c:224:19: runtime error: left shift of 142 by 24 places cannot be represented in type 'int'
    #0 0x7f6f19d2efdb in PMurHash32_Process /tmp/Rtmpaf6nF0/R.INSTALL4647c2dfdae57/digest/src/pmurhash.c:224
    #1 0x7f6f19d2f4c9 in PMurHash32 /tmp/Rtmpaf6nF0/R.INSTALL4647c2dfdae57/digest/src/pmurhash.c:312
    #2 0x7f6f14e90e99 in MurmurHash3LogHashFunction::operator()(char const*, int, bool) /data/gannet/ripley/R/packages/tests-gcc-SAN/FeatureHashing/src/hash_function.h:78
    #3 0x7f6f14e7dd85 in InteractionConverter::get_hashed_feature(HashFunction*, unsigned int, unsigned int) /data/gannet/ripley/R/packages/tests-gcc-SAN/FeatureHashing/src/vector_converter.h:537
    #4 0x7f6f14e7dd85 in InteractionConverter::get_feature(unsigned long) /data/gannet/ripley/R/packages/tests-gcc-SAN/FeatureHashing/src/vector_converter.h:497
    #5 0x7f6f14ecdc50 in SEXPREC* hashed_model_matrix<Rcpp::DataFrame_Impl<Rcpp::PreserveStorage> >(Rcpp::RObject_Impl<Rcpp::PreserveStorage>, Rcpp::DataFrame_Impl<Rcpp::PreserveStorage>, unsigned long, bool, Rcpp::S4_Impl<Rcpp::PreserveStorage>, bool, bool, bool) /data/gannet/ripley/R/packages/tests-gcc-SAN/FeatureHashing/src/hashed_model_matrix.cpp:257
    #6 0x7f6f14e76cc1 in hashed_model_matrix_dataframe(Rcpp::RObject_Impl<Rcpp::PreserveStorage>, Rcpp::DataFrame_Impl<Rcpp::PreserveStorage>, unsigned long, bool, Rcpp::S4_Impl<Rcpp::PreserveStorage>, bool, bool, bool) /data/gannet/ripley/R/packages/tests-gcc-SAN/FeatureHashing/src/hashed_model_matrix.cpp:318
    #7 0x7f6f14e3306b in _FeatureHashing_hashed_model_matrix_dataframe /data/gannet/ripley/R/packages/tests-gcc-SAN/FeatureHashing/src/RcppExports.cpp:105
    #8 0x723715 in R_doDotCall /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:780
    #9 0x73aff2 in do_dotcall /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:1437
    #10 0x8a7243 in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8122
    #11 0x87840f in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7505
    #12 0x83f152 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167
    #13 0x84a122 in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2393
    #14 0x83daca in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2306
    #15 0x83f7d6 in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2328
    #16 0x83f7d6 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1280
    #17 0x8632c6 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3571
    #18 0x83fc06 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1232
    #19 0x84f303 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3000
    #20 0x83fc06 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1232
    #21 0x83fc06 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1232
    #22 0x9c9699 in Rf_ReplIteration /data/gannet/ripley/R/svn/R-devel/src/main/main.c:265
    #23 0x9c9699 in R_ReplConsole /data/gannet/ripley/R/svn/R-devel/src/main/main.c:317
    #24 0x9cab9b in run_Rmainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1219
    #25 0x9d5112 in Rf_mainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1226
    #26 0x4293ff in main /data/gannet/ripley/R/svn/R-devel/src/main/Rmain.c:29
    #27 0x7f6f2b22950f in __libc_start_call_main (/lib64/libc.so.6+0x2950f) (BuildId: 8257ee907646e9b057197533d1e4ac8ede7a9c5c)
    #28 0x7f6f2b2295c8 in __libc_start_main_alias_2 (/lib64/libc.so.6+0x295c8) (BuildId: 8257ee907646e9b057197533d1e4ac8ede7a9c5c)
    #29 0x429de4 in _start (/data/gannet/ripley/R/gcc-SAN3/bin/exec/R+0x429de4) (BuildId: 5e148b08f50883e4fe61db372b4722d6e52a85b3)

[1] TRUE
> 
> proc.time()
   user  system elapsed 
 18.160   0.812  52.866