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-rw-r--r--base/env_var.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/base/env_var.h b/base/env_var.h
index 9622e74..43d3fd6 100644
--- a/base/env_var.h
+++ b/base/env_var.h
@@ -20,11 +20,14 @@ extern const char kHome[];
} // namespace env_vars
-// These are used to derive mocks for unittests.
class EnvVarGetter {
public:
virtual ~EnvVarGetter();
+ // Static factory method that returns the implementation that provide the
+ // appropriate platform-specific instance.
+ static EnvVarGetter* Create();
+
// Gets an environment variable's value and stores it in |result|.
// Returns false if the key is unset.
virtual bool GetEnv(const char* variable_name, std::string* result) = 0;
@@ -36,8 +39,8 @@ class EnvVarGetter {
virtual bool SetEnv(const char* variable_name,
const std::string& new_value) = 0;
- // Create an instance of EnvVarGetter
- static EnvVarGetter* Create();
+ // Returns true on success, otherwise returns false.
+ virtual bool UnSetEnv(const char* variable_name) = 0;
};
} // namespace base