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Add branch coverage for while and until statements

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59877 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mame 2017-09-14 03:36:05 +00:00
parent ce570370f0
commit 16ab236b88
2 changed files with 27 additions and 0 deletions
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3
compile.c
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@ -4389,6 +4389,7 @@ compile_loop(rb_iseq_t *iseq, LINK_ANCHOR *const ret, NODE *node, int popped, co
LABEL *prev_end_label = ISEQ_COMPILE_DATA(iseq)->end_label;
LABEL *prev_redo_label = ISEQ_COMPILE_DATA(iseq)->redo_label;
int prev_loopval_popped = ISEQ_COMPILE_DATA(iseq)->loopval_popped;
VALUE branches;
struct iseq_compile_data_ensure_node_stack enl;
@ -4419,6 +4420,8 @@ compile_loop(rb_iseq_t *iseq, LINK_ANCHOR *const ret, NODE *node, int popped, co
if (tmp_label) ADD_LABEL(ret, tmp_label);
ADD_LABEL(ret, redo_label);
DECL_BRANCH_BASE(branches, line, type == NODE_WHILE ? "while" : "until");
ADD_TRACE_BRANCH_COVERAGE(ret, node->nd_body ? nd_line(node->nd_body) : line, "body", branches);
CHECK(COMPILE_POPPED(ret, "while body", node->nd_body));
ADD_LABEL(ret, next_label); /* next */

24
test/coverage/test_coverage.rb
View file

@ -202,4 +202,28 @@ class TestCoverage < Test::Unit::TestCase
}
}
end
def test_branch_coverage_for_while_statement
Dir.mktmpdir {|tmp|
Dir.chdir(tmp) {
File.open("test.rb", "w") do |f|
f.puts 'x = 3'
f.puts 'while x > 0'
f.puts ' x -= 1'
f.puts 'end'
f.puts 'until x == 10'
f.puts ' x += 1'
f.puts 'end'
end
assert_in_out_err(%w[-W0 -rcoverage], <<-"end;", ["{:branches=>{[:while, 0, 2]=>{[:body, 1, 3]=>3}, [:until, 2, 5]=>{[:body, 3, 6]=>10}}}"], [])
ENV["COVERAGE_EXPERIMENTAL_MODE"] = "true"
Coverage.start(branches: true)
tmp = Dir.pwd
require tmp + '/test.rb'
p Coverage.result[tmp + "/test.rb"]
end;
}
}
end
end