From d16d5ef832bde125364cee387e9a7f9fed600952 Mon Sep 17 00:00:00 2001
From: Nathan Wilcox <nejucomo@gmail.com>
Date: Mon, 18 Apr 2016 11:15:34 -0700
Subject: [PATCH] Add coverage support scoped to only the zcash-gtest run;
 invoke with make zcash-cov; make cov is a superset.

---
 .gitignore      |  2 ++
 Makefile.am     | 26 ++++++++++++++++++++++----
 zcutil/build.sh | 33 ++++++++++++++++++++++++++++++---
 3 files changed, 54 insertions(+), 7 deletions(-)

diff --git a/.gitignore b/.gitignore
index cb379bdb0..b021e303f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -102,8 +102,10 @@ build
 
 #lcov
 *.gcno
+*.gcda
 /*.info
 test_bitcoin.coverage/
+zcash-gtest.coverage/
 total.coverage/
 coverage_percent.txt
 
diff --git a/Makefile.am b/Makefile.am
index deb9638a9..ff48936f9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -160,7 +160,7 @@ baseline_filtered_combined.info: leveldb_baseline_filtered.info baseline_filtere
 	$(LCOV) -a leveldb_baseline_filtered.info -a baseline_filtered.info -o $@
 
 test_bitcoin.info: baseline_filtered_combined.info
-	$(MAKE) -C src/ check
+	$(MAKE) -C src/ bitcoin_test_check
 	$(LCOV) -c -d $(abs_builddir)/src -t test_bitcoin -o $@
 	$(LCOV) -z -d $(abs_builddir)/src
 	$(LCOV) -z -d $(abs_builddir)/src/leveldb
@@ -168,6 +168,15 @@ test_bitcoin.info: baseline_filtered_combined.info
 test_bitcoin_filtered.info: test_bitcoin.info
 	$(LCOV) -r $< "/usr/include/*" -o $@
 
+zcash-gtest.info: baseline_filtered_combined.info
+	$(MAKE) -C src/ zcash-gtest_check
+	$(LCOV) -c -d $(abs_builddir)/src -t test_bitcoin -o $@
+	$(LCOV) -z -d $(abs_builddir)/src
+	$(LCOV) -z -d $(abs_builddir)/src/leveldb
+
+zcash-gtest_filtered.info: zcash-gtest.info
+	$(LCOV) -r $< "/usr/include/*" -o $@
+
 block_test.info: test_bitcoin_filtered.info
 	$(MKDIR_P) qa/tmp
 	-@TIMEOUT=15 qa/pull-tester/run-bitcoind-for-test.sh $(JAVA) -jar $(JAVA_COMPARISON_TOOL) qa/tmp/compTool 0
@@ -181,18 +190,27 @@ block_test_filtered.info: block_test.info
 test_bitcoin_coverage.info: baseline_filtered_combined.info test_bitcoin_filtered.info
 	$(LCOV) -a baseline_filtered.info -a leveldb_baseline_filtered.info -a test_bitcoin_filtered.info -o $@
 
-total_coverage.info:  baseline_filtered_combined.info test_bitcoin_filtered.info block_test_filtered.info
-	$(LCOV) -a baseline_filtered.info -a leveldb_baseline_filtered.info -a test_bitcoin_filtered.info -a block_test_filtered.info -o $@ | $(GREP) "\%" | $(AWK) '{ print substr($$3,2,50) "/" $$5 }' > coverage_percent.txt
+zcash-gtest_coverage.info: baseline_filtered_combined.info zcash-gtest_filtered.info
+	$(LCOV) -a baseline_filtered.info -a leveldb_baseline_filtered.info -a zcash-gtest_filtered.info -o $@
+
+total_coverage.info:  baseline_filtered_combined.info test_bitcoin_filtered.info zcash-gtest_filtered.info block_test_filtered.info
+	$(LCOV) -a baseline_filtered.info -a leveldb_baseline_filtered.info -a test_bitcoin_filtered.info -a zcash-gtest_filtered.info -a block_test_filtered.info -o $@ | $(GREP) "\%" | $(AWK) '{ print substr($$3,2,50) "/" $$5 }' > coverage_percent.txt
 
 test_bitcoin.coverage/.dirstamp:  test_bitcoin_coverage.info
 	$(GENHTML) -s $< -o $(@D)
 	@touch $@
 
+zcash-gtest.coverage/.dirstamp:  zcash-gtest_coverage.info
+	$(GENHTML) -s $< -o $(@D)
+	@touch $@
+
+cov-zcash: zcash-gtest.coverage/.dirstamp
+
 total.coverage/.dirstamp: total_coverage.info
 	$(GENHTML) -s $< -o $(@D)
 	@touch $@
 
-cov: test_bitcoin.coverage/.dirstamp total.coverage/.dirstamp
+cov: test_bitcoin.coverage/.dirstamp cov-zcash total.coverage/.dirstamp
 
 endif
 
diff --git a/zcutil/build.sh b/zcutil/build.sh
index 40c2fd3e4..bcfbfe6ae 100755
--- a/zcutil/build.sh
+++ b/zcutil/build.sh
@@ -1,12 +1,39 @@
-#!/bin/sh
-set -ex
+#!/bin/bash
 
+set -eu -o pipefail
+
+if [ "x$*" = 'x--help' ]
+then
+    cat <<EOF
+Usage:
+
+$0 --help
+  Show this help message and exit.
+
+$0 [ --enable-lcov ] [ MAKEARGS... ]
+  Build Zcash and most of its transitive dependencies from
+  source. MAKEARGS are applied to both dependencies and Zcash itself. If
+  --enable-lcov is passed, Zcash is configured to add coverage
+  instrumentation, thus enabling "make cov" to work.
+EOF
+    exit 0
+fi
+
+set -x
 cd "$(dirname "$(readlink -f "$0")")/.."
 
+# If --enable-lcov is the first argument, enable lcov coverage support:
+LCOV_ARG=''
+if [ "x${1:-}" = 'x--enable-lcov' ]
+then
+    LCOV_ARG='--enable-lcov'
+    shift
+fi
+
 # BUG: parameterize the platform/host directory:
 PREFIX="$(pwd)/depends/x86_64-unknown-linux-gnu/"
 
 make "$@" -C ./depends/ V=1 NO_QT=1
 ./autogen.sh
-./configure --prefix="${PREFIX}" --with-gui=no CXXFLAGS='-O0 -g'
+./configure --prefix="${PREFIX}" --with-gui=no "$LCOV_ARG" CXXFLAGS='-O0 -g'
 make "$@" V=1