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* [PRISM] Modify test_coverage to take prism into accountKevin Newton2024-04-261-22/+33
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* Fix method coverage comparisonsNobuyoshi Nakada2023-10-161-15/+36
| | | | | | Although Ruby's hashes preserve the insertion order, the ordering of method coverage results is inherently nondeterministic, because they are collected using `ObjectSpace`.
* Revert "Don't reset line coverage for evaled code. (#8330)"Yusuke Endoh2023-09-041-12/+0
| | | | | | This reverts commit 7e0f5df2f99693267d61636d23da47f79924e9d5. https://bugs.ruby-lang.org/issues/19857#note-7
* Don't reset line coverage for evaled code. (#8330)Samuel Williams2023-09-041-0/+12
| | | * Add failing test.
* More coverage tests & specs. (#7171)Samuel Williams2023-01-221-0/+7
| | | | | * Add spec for eval and line coverage. * Add test for main file coverage.
* Test some missing coverage too. (#7041)Samuel Williams2023-01-191-5/+7
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* Coverage.supported? recognizes oneshot_lines mode (#7040)Kevin Murphy2022-12-291-0/+1
| | | This adds oneshot_lines as a mode of coverage that is supported.
* Fix false LocalJumpError when branch coverage is enabledYusuke Endoh2022-11-081-0/+14
| | | | | | | | | | | | | | | `throw TAG_BREAK` instruction makes a jump only if the continuation of catch of TAG_BREAK exactly matches the instruction immediately following the "send" instruction that is currently being executed. Otherwise, it seems to determine break from proc-closure. Branch coverage may insert some recording instructions after "send" instruction, which broke the conditions for TAG_BREAK to work properly. This change forces to set the continuation of catch of TAG_BREAK immediately after "send" (or "invokesuper") instruction. [Bug #18991]
* Change a tab to spacesyui-knk2022-10-171-8/+8
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* Add `Coverage.supported?` to detect what modes are supported.Samuel Williams2022-09-291-0/+8
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* Add `eval: true/false` flag to `Coverage.setup`.Samuel Williams2022-09-291-4/+4
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* Enable coverage for eval.Samuel Williams2022-09-221-1/+16
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* Fix a regression of b2e58b02aec73f9c350bf109c021c180fc699cccYusuke Endoh2022-07-111-0/+21
| | | | | | | | | | At that commit, I fixed a wrong conditional expression that was always true. However, that seemed to have caused a regression. [Bug #18906] This change removes the condition to make the code always enabled. It had been enabled until that commit, albeit unintentionally, and even if it is enabled it only consumes a tiny bit of memory, so I believe it is harmless. [Bug #18906]
* Make Coverage suspendable (#4856)Yusuke Endoh2021-10-251-0/+146
| | | | | | | * Make Coverage suspendable Add `Coverage.suspend`, `Coverage.resume` and some methods. [Feature #18176] [ruby-core:105321]
* Check type of instruction - can be INSN or ADJUSTeileencodes2021-06-231-0/+14
| | | | | | | | | If the type is ADJUST we don't want to treat it like an INSN so we have to check the type before reading from `insn_info.events`. [Bug #18001] [ruby-core:104371] Co-authored-by: Aaron Patterson <tenderlove@ruby-lang.org>
* test/coverage/test_coverage.rb: Add a test for [Bug #16967]Yusuke Endoh2020-06-201-0/+20
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* compile.c: stop wrong peephole optimization when covearge is enabledYusuke Endoh2019-12-041-0/+12
| | | | | | | | | | | | | | | | | | | jump-jump optimization ignores the event flags of the jump instruction being skipped, which leads to overlook of line events. This changeset stops the wrong optimization when coverage measurement is neabled and when the jump instruction has any event flag. Note that this issue is not only for coverage but also for TracePoint, and this change does not fix TracePoint. However, fixing it fundamentally is tough (which requires revamp of the compiler). This issue is critical in terms of coverage measurement, but minor for TracePoint (ko1 said), so we here choose a stopgap measurement. [Bug #15980] [Bug #16397] Note for backporters: this changeset can be viewed by `git diff -w`.
* Introduce pattern matching [EXPERIMENTAL]ktsj2019-04-171-0/+32
| | | | | | [ruby-core:87945] [Feature #14912] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67586 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Revert r63383, r63248 "compile.c: copy a short insn with leave"nobu2019-02-011-2/+2
| | | | | | | | | | | When copying `leave` insn, TRACE also should be copied if it is present, but this optimization is trivial and not worth the complexity. [ruby-core:91366] [Bug #15578] 4cae5353c03009beb1e0a1619422072773580609 5afd479de63b6609ddcd1510da94d2c1ac384f7f git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66977 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* compile.c (iseq_set_sequence): fix branch coverage tablemame2019-01-011-0/+14
| | | | | | | | | | Not only TRACE_ELEMENT but also INSN_ELEMENT may have events. The old pc2branchindex was created using only events of TRACE_ELEMENTs. This change uses events of INSN_ELEMENTs too for pc2branchindex table. [Bug #15476] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66676 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* compile.c: support branch coverage for `a&.foo = 1`mame2019-01-011-5/+12
| | | | | | [Bug #15475] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66674 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Revert r66670 because of wrong ticket numbermame2019-01-011-12/+5
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66672 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* compile.c: support branch coverage for `a&.foo = 1`mame2019-01-011-5/+12
| | | | | | [Bug #15476] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66670 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/coverage/lib/coverage.rb (Coverage.line_stub): use only line eventsmame2018-12-201-1/+1
| | | | | | | | It wrongly used all linenos of ISeq#trace_points which includes not only line events but also call, return, and other events. So, the result included some linenos that can not be covered at all by line coverage. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66468 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/coverage/: add the oneshot modemame2018-10-201-0/+192
| | | | | | | | | | | | This patch introduces "oneshot_lines" mode for `Coverage.start`, which checks "whether each line was executed at least once or not", instead of "how many times each line was executed". A hook for each line is fired at most once, and after it is fired, the hook flag was removed; it runs with zero overhead. See [Feature #15022] in detail. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* compile.c: remove tracecoverage instruction for line coveragemame2018-08-221-1/+1
| | | | | | | Line coverage was based on special instruction "tracecoverage". Now, instead, it uses the mechanism of trace hook [Feature #14104]. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64509 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* parse.y: remove coverage-related code fragmentsmame2018-08-221-9/+0
| | | | | | | | | | | | | The code fragments that initializes coverage data were scattered into both parse.y and compile.c. parse.y allocated a coverage data, and compile.c initialize the data. To remove this cross-cutting concern, this change moves the allocation from "coverage" function of parse.y to "rb_iseq_new_top" of iseq.c. For the sake, parse.y just counts the line number of the original source code, and the number is passed via rb_ast_body_t. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64508 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/coverage/test_coverage.rb: make the expected value the same as 2.4mame2017-12-201-1/+1
| | | | | | A follow up of r61350 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61352 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* iseq.c (finish_iseq_build): fix coverage leakage [Bug #14191]mame2017-12-181-0/+33
| | | | | | | | | | Before this change, coverage.so had failed to measure some multiple-line code fragments. This is because removing trace instructions (#14104) changed TracePoint's lineno (new lineno), and coverage counter array was based on old lineno. This change initializes coverage counter array based on new lineno. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61313 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/coverage/coverage.c: Add test casesyui-knk2017-12-121-0/+7
| | | | | | | | * ext/coverage/coverage.c (test_method_coverage_for_define_method): Add test cases for method coverages which test do-end block define_method. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61165 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/coverage/coverage.c: remove COVERAGE_EXPERIMENTAL_MODEmame2017-12-121-1/+0
| | | | | | A NEWS entry is also added. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61129 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/coverage/coverage.c: method coverage has column info. of method def.mame2017-12-051-18/+18
| | | | | | | | This change makes method coverage result have not only first lineno of method defintion, but also code range (i.e. first lineno, first column, last lineno, and last column). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61026 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Revamp method coverage to support define_methodmame2017-12-051-4/+109
| | | | | | | | | | | | | | Traditionally, method coverage measurement was implemented by inserting `trace2` instruction to the head of method iseq. So, it just measured methods defined by `def` keyword. This commit drastically changes the measuring mechanism of method coverage; at `RUBY_EVENT_CALL`, it keeps a hash from rb_method_entry_t* to runs (i.e., it counts the runs per method entry), and at `Coverage.result`, it creates the result hash by enumerating all `rb_method_entry_t*` objects (by `ObjectSpace.each_object`). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61023 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add a last location to branch coverageyui-knk2017-11-161-17/+17
| | | | | | | | | | | | | | | * compile.c (DECL_BRANCH_BASE, ADD_TRACE_BRANCH_COVERAGE): Add a last location to arguments. * compile.c (compile_if, compile_case, compile_case2, compile_loop, iseq_compile_each0): Pass a last location to macros. * ext/coverage/coverage.c (branch_coverage): Add a last location to a return value. * test/coverage/test_coverage.rb: Follow-up these changes. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60785 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add test cases for branch coverageyui-knk2017-10-231-2/+8
| | | | | | | * test/coverage/test_coverage.rb (test_branch_coverage_for_while_statement): Add test cases for modifier while/until. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60382 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add test cases for branch coverageyui-knk2017-10-221-6/+9
| | | | | | | * test/coverage/test_coverage.rb (test_branch_coverage_for_if_statement): Add a test case for ternary operator. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60366 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add test cases for branch coverageyui-knk2017-10-221-4/+9
| | | | | | | * test/coverage/test_coverage.rb (test_branch_coverage_for_if_statement): Add test cases for modifier if/unless. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60365 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add test cases for branch coverageyui-knk2017-10-221-2/+12
| | | | | | | * test/coverage/test_coverage.rb (test_branch_coverage_for_if_statement): Add test cases for if/unless without else clauses. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60364 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/coverage/test_coverage.rb: Use `<<~` to ease to calculate column of ↵yui-knk2017-10-221-14/+14
| | | | | | target codes git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60363 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add column numbers to branch coverageyui-knk2017-10-221-10/+10
| | | | | | | | | | | | | | | * compile.c (DECL_BRANCH_BASE, ADD_TRACE_BRANCH_COVERAGE): Add column to arguments. * compile.c (compile_if, compile_case, compile_when, compile_loop, iseq_compile_each0): Pass column numbers to macros. * ext/coverage/coverage.c (branch_coverage): Add column numbers to a return value. * test/coverage/test_coverage.rb: Follow-up these changes. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60362 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/coverage/test_coverage.rb: Refactor coverage tests.mame2017-09-231-124/+116
| | | | | | | Add `assert_coverage` to invoke Ruby script under coverage measurement and to compare the result with an expected value. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60003 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Enable to take branch coverages for safe method invocationsyui-knk2017-09-231-0/+21
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59990 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Introduce NODE_UNLESS for branch coveragemame2017-09-141-1/+7
| | | | | | | `unless` statement was a syntactic sugar for `if` statement, which made the result of branch coverage hard to understand. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59889 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add method coveragemame2017-09-141-0/+25
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Fix the lineno of case statement that has no expressionmame2017-09-141-1/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59886 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add branch coverage for case-when statementmame2017-09-141-0/+54
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59885 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add branch coverage for while and until statementsmame2017-09-141-0/+24
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59877 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add branch coverage for if statementmame2017-09-141-0/+27
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59876 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* compile.c: pop coverage tracenobu2017-09-101-0/+10
| | | | | | | * compile.c (iseq_compile_each0): pop trace for coverage only and clear its corresponding line. [ruby-core:82726] [Bug #13886] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test_coverage.rb: suppress warningsnobu2017-09-031-2/+2
| | | | | | | | | | * test/coverage/test_coverage.rb (test_nonpositive_linenumber): suppress method redefinition warnings. * test/coverage/test_coverage.rb (test_eval): suppress literal in void context warning. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59727 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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