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debug: Fix crash handling null strings #31523

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rustyconover wants to merge 2 commits into from
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debug: Fix crash handling null strings #31523

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debug: Fix crash handling null strings
rustyconover Jan 26, 2020
6727bc0
Add test and fix nit.
rustyconover Jan 26, 2020
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Add test and fix nit.
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@rustyconover
rustyconover committed Jan 26, 2020
commit 6727bc0fcab49e226e074de391d56f23646915c6
2 changes: 1 addition & 1 deletion src/debug_utils-inl.h
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Expand Up @@ -22,7 +22,7 @@ struct ToStringHelper {
typename dummy = bool>
static std::string Convert(const T& value) { return std::to_string(value); }
static std::string Convert(const char* value) {
return value ? value : "(null)";
return value != nullptr ? value : "(null)";
}
static std::string Convert(const std::string& value) { return value; }
static std::string Convert(bool value) { return value ? "true" : "false"; }
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1 change: 1 addition & 0 deletions test/cctest/test_util.cc
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Expand Up @@ -281,6 +281,7 @@ TEST(UtilTest, SPrintF) {
const char* bar = "bar";
EXPECT_EQ(SPrintF("%s %s", foo, "bar"), "foo bar");
EXPECT_EQ(SPrintF("%s %s", foo, bar), "foo bar");
EXPECT_EQ(SPrintF("%s", nullptr), "(null)");

EXPECT_EQ(SPrintF("[%% %s %%]", foo), "[% foo %]");

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